f2fs_put_page(page, 0);
if (readahead)
- f2fs_ra_meta_pages(sbi, index, BIO_MAX_PAGES, META_POR, true);
+ f2fs_ra_meta_pages(sbi, index, BIO_MAX_VECS, META_POR, true);
}
static int __f2fs_write_meta_page(struct page *page,
orphan_blk = (struct f2fs_orphan_block *)page_address(page);
for (j = 0; j < le32_to_cpu(orphan_blk->entry_count); j++) {
nid_t ino = le32_to_cpu(orphan_blk->ino[j]);
+
err = recover_orphan_inode(sbi, ino);
if (err) {
f2fs_put_page(page, 1);
orphan_blocks);
if (__remain_node_summaries(cpc->reason))
- ckpt->cp_pack_total_block_count = cpu_to_le32(F2FS_CP_PACKS+
+ ckpt->cp_pack_total_block_count = cpu_to_le32(F2FS_CP_PACKS +
cp_payload_blks + data_sum_blocks +
orphan_blocks + NR_CURSEG_NODE_TYPE);
else
llist_add(&req.llnode, &cprc->issue_list);
atomic_inc(&cprc->queued_ckpt);
- /* update issue_list before we wake up issue_checkpoint thread */
+ /*
+ * update issue_list before we wake up issue_checkpoint thread,
+ * this smp_mb() pairs with another barrier in ___wait_event(),
+ * see more details in comments of waitqueue_active().
+ */
smp_mb();
if (waitqueue_active(&cprc->ckpt_wait_queue))
f2fs_submit_merged_ipu_write(fio->sbi, &bio, NULL);
alloc_new:
if (!bio) {
- bio = __bio_alloc(fio, BIO_MAX_PAGES);
+ bio = __bio_alloc(fio, BIO_MAX_VECS);
__attach_io_flag(fio);
f2fs_set_bio_crypt_ctx(bio, fio->page->mapping->host,
fio->page->index, fio, GFP_NOIO);
fio->retry = true;
goto skip;
}
- io->bio = __bio_alloc(fio, BIO_MAX_PAGES);
+ io->bio = __bio_alloc(fio, BIO_MAX_VECS);
f2fs_set_bio_crypt_ctx(io->bio, fio->page->mapping->host,
bio_page->index, fio, GFP_NOIO);
io->fio = *fio;
for (; count > 0; dn->ofs_in_node++) {
block_t blkaddr = f2fs_data_blkaddr(dn);
+
if (blkaddr == NULL_ADDR) {
dn->data_blkaddr = NEW_ADDR;
__set_data_blkaddr(dn);
return __get_data_block(inode, iblock, bh_result, create,
F2FS_GET_BLOCK_DIO, NULL,
f2fs_rw_hint_to_seg_type(inode->i_write_hint),
- IS_SWAPFILE(inode) ? false : true);
+ true);
}
static int get_data_block_dio(struct inode *inode, sector_t iblock,
int ret = 0;
bool compr_cluster = false;
unsigned int cluster_size = F2FS_I(inode)->i_cluster_size;
+ loff_t maxbytes;
if (fieinfo->fi_flags & FIEMAP_FLAG_CACHE) {
ret = f2fs_precache_extents(inode);
inode_lock(inode);
+ maxbytes = max_file_blocks(inode) << F2FS_BLKSIZE_BITS;
+ if (start > maxbytes) {
+ ret = -EFBIG;
+ goto out;
+ }
+
+ if (len > maxbytes || (maxbytes - len) < start)
+ len = maxbytes - start;
+
if (fieinfo->fi_flags & FIEMAP_FLAG_XATTR) {
ret = f2fs_xattr_fiemap(inode, fieinfo);
goto out;
if (atomic_written) {
struct inmem_pages *cur;
+
list_for_each_entry(cur, &fi->inmem_pages, list)
if (cur->page == page) {
cur->page = newpage;
#endif
#ifdef CONFIG_SWAP
+ static int f2fs_is_file_aligned(struct inode *inode)
+ {
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+ block_t main_blkaddr = SM_I(sbi)->main_blkaddr;
+ block_t cur_lblock;
+ block_t last_lblock;
+ block_t pblock;
+ unsigned long nr_pblocks;
+ unsigned int blocks_per_sec = BLKS_PER_SEC(sbi);
+ int ret = 0;
+
+ cur_lblock = 0;
+ last_lblock = bytes_to_blks(inode, i_size_read(inode));
+
+ while (cur_lblock < last_lblock) {
+ struct f2fs_map_blocks map;
+
+ memset(&map, 0, sizeof(map));
+ map.m_lblk = cur_lblock;
+ map.m_len = last_lblock - cur_lblock;
+ map.m_next_pgofs = NULL;
+ map.m_next_extent = NULL;
+ map.m_seg_type = NO_CHECK_TYPE;
+ map.m_may_create = false;
+
+ ret = f2fs_map_blocks(inode, &map, 0, F2FS_GET_BLOCK_FIEMAP);
+ if (ret)
+ goto out;
+
+ /* hole */
+ if (!(map.m_flags & F2FS_MAP_FLAGS)) {
+ f2fs_err(sbi, "Swapfile has holes\n");
+ ret = -ENOENT;
+ goto out;
+ }
+
+ pblock = map.m_pblk;
+ nr_pblocks = map.m_len;
+
+ if ((pblock - main_blkaddr) & (blocks_per_sec - 1) ||
+ nr_pblocks & (blocks_per_sec - 1)) {
+ f2fs_err(sbi, "Swapfile does not align to section");
+ ret = -EINVAL;
+ goto out;
+ }
+
+ cur_lblock += nr_pblocks;
+ }
+ out:
+ return ret;
+ }
+
static int check_swap_activate_fast(struct swap_info_struct *sis,
struct file *swap_file, sector_t *span)
{
struct address_space *mapping = swap_file->f_mapping;
struct inode *inode = mapping->host;
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
sector_t cur_lblock;
sector_t last_lblock;
sector_t pblock;
sector_t highest_pblock = 0;
int nr_extents = 0;
unsigned long nr_pblocks;
- u64 len;
- int ret;
+ unsigned int blocks_per_sec = BLKS_PER_SEC(sbi);
+ int ret = 0;
/*
* Map all the blocks into the extent list. This code doesn't try
*/
cur_lblock = 0;
last_lblock = bytes_to_blks(inode, i_size_read(inode));
- len = i_size_read(inode);
- while (cur_lblock <= last_lblock && cur_lblock < sis->max) {
+ while (cur_lblock < last_lblock && cur_lblock < sis->max) {
struct f2fs_map_blocks map;
- pgoff_t next_pgofs;
cond_resched();
memset(&map, 0, sizeof(map));
map.m_lblk = cur_lblock;
- map.m_len = bytes_to_blks(inode, len) - cur_lblock;
- map.m_next_pgofs = &next_pgofs;
+ map.m_len = last_lblock - cur_lblock;
+ map.m_next_pgofs = NULL;
+ map.m_next_extent = NULL;
map.m_seg_type = NO_CHECK_TYPE;
+ map.m_may_create = false;
ret = f2fs_map_blocks(inode, &map, 0, F2FS_GET_BLOCK_FIEMAP);
if (ret)
- goto err_out;
+ goto out;
/* hole */
- if (!(map.m_flags & F2FS_MAP_FLAGS))
- goto err_out;
+ if (!(map.m_flags & F2FS_MAP_FLAGS)) {
+ f2fs_err(sbi, "Swapfile has holes\n");
+ ret = -ENOENT;
+ goto out;
+ }
pblock = map.m_pblk;
nr_pblocks = map.m_len;
+ if ((pblock - SM_I(sbi)->main_blkaddr) & (blocks_per_sec - 1) ||
+ nr_pblocks & (blocks_per_sec - 1)) {
+ f2fs_err(sbi, "Swapfile does not align to section");
+ ret = -EINVAL;
+ goto out;
+ }
+
if (cur_lblock + nr_pblocks >= sis->max)
nr_pblocks = sis->max - cur_lblock;
sis->highest_bit = cur_lblock - 1;
out:
return ret;
- err_out:
- pr_err("swapon: swapfile has holes\n");
- return -EINVAL;
}
/* Copied from generic_swapfile_activate() to check any holes */
{
struct address_space *mapping = swap_file->f_mapping;
struct inode *inode = mapping->host;
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
unsigned blocks_per_page;
unsigned long page_no;
sector_t probe_block;
sector_t lowest_block = -1;
sector_t highest_block = 0;
int nr_extents = 0;
- int ret;
+ int ret = 0;
if (PAGE_SIZE == F2FS_BLKSIZE)
return check_swap_activate_fast(sis, swap_file, span);
+ ret = f2fs_is_file_aligned(inode);
+ if (ret)
+ goto out;
+
blocks_per_page = bytes_to_blks(inode, PAGE_SIZE);
/*
unsigned block_in_page;
sector_t first_block;
sector_t block = 0;
- int err = 0;
cond_resched();
block = probe_block;
- err = bmap(inode, &block);
- if (err || !block)
+ ret = bmap(inode, &block);
+ if (ret)
+ goto out;
+ if (!block)
goto bad_bmap;
first_block = block;
block_in_page++) {
block = probe_block + block_in_page;
- err = bmap(inode, &block);
-
- if (err || !block)
+ ret = bmap(inode, &block);
+ if (ret)
+ goto out;
+ if (!block)
goto bad_bmap;
if (block != first_block + block_in_page) {
out:
return ret;
bad_bmap:
- pr_err("swapon: swapfile has holes\n");
- return -EINVAL;
+ f2fs_err(sbi, "Swapfile has holes\n");
+ return -ENOENT;
}
static int f2fs_swap_activate(struct swap_info_struct *sis, struct file *file,
struct f2fs_dir_entry *f2fs_parent_dir(struct inode *dir, struct page **p)
{
- struct qstr dotdot = QSTR_INIT("..", 2);
-
- return f2fs_find_entry(dir, &dotdot, p);
+ return f2fs_find_entry(dir, &dotdot_name, p);
}
ino_t f2fs_inode_by_name(struct inode *dir, const struct qstr *qstr,
struct page *page, struct inode *inode)
{
enum page_type type = f2fs_has_inline_dentry(dir) ? NODE : DATA;
+
lock_page(page);
f2fs_wait_on_page_writeback(page, type, true, true);
de->ino = cpu_to_le32(inode->i_ino);
#define F2FS_MOUNT_NORECOVERY 0x04000000
#define F2FS_MOUNT_ATGC 0x08000000
#define F2FS_MOUNT_MERGE_CHECKPOINT 0x10000000
+ #define F2FS_MOUNT_GC_MERGE 0x20000000
#define F2FS_OPTION(sbi) ((sbi)->mount_opt)
#define clear_opt(sbi, option) (F2FS_OPTION(sbi).opt &= ~F2FS_MOUNT_##option)
#define FADVISE_MODIFIABLE_BITS (FADVISE_COLD_BIT | FADVISE_HOT_BIT)
#define file_is_cold(inode) is_file(inode, FADVISE_COLD_BIT)
- #define file_wrong_pino(inode) is_file(inode, FADVISE_LOST_PINO_BIT)
#define file_set_cold(inode) set_file(inode, FADVISE_COLD_BIT)
- #define file_lost_pino(inode) set_file(inode, FADVISE_LOST_PINO_BIT)
#define file_clear_cold(inode) clear_file(inode, FADVISE_COLD_BIT)
+
+ #define file_wrong_pino(inode) is_file(inode, FADVISE_LOST_PINO_BIT)
+ #define file_lost_pino(inode) set_file(inode, FADVISE_LOST_PINO_BIT)
#define file_got_pino(inode) clear_file(inode, FADVISE_LOST_PINO_BIT)
+
#define file_is_encrypt(inode) is_file(inode, FADVISE_ENCRYPT_BIT)
#define file_set_encrypt(inode) set_file(inode, FADVISE_ENCRYPT_BIT)
- #define file_clear_encrypt(inode) clear_file(inode, FADVISE_ENCRYPT_BIT)
+
#define file_enc_name(inode) is_file(inode, FADVISE_ENC_NAME_BIT)
#define file_set_enc_name(inode) set_file(inode, FADVISE_ENC_NAME_BIT)
+
#define file_keep_isize(inode) is_file(inode, FADVISE_KEEP_SIZE_BIT)
#define file_set_keep_isize(inode) set_file(inode, FADVISE_KEEP_SIZE_BIT)
+
#define file_is_hot(inode) is_file(inode, FADVISE_HOT_BIT)
#define file_set_hot(inode) set_file(inode, FADVISE_HOT_BIT)
#define file_clear_hot(inode) clear_file(inode, FADVISE_HOT_BIT)
+
#define file_is_verity(inode) is_file(inode, FADVISE_VERITY_BIT)
#define file_set_verity(inode) set_file(inode, FADVISE_VERITY_BIT)
/* NAT cache management */
struct radix_tree_root nat_root;/* root of the nat entry cache */
struct radix_tree_root nat_set_root;/* root of the nat set cache */
- struct rw_semaphore nat_tree_lock; /* protect nat_tree_lock */
+ struct rw_semaphore nat_tree_lock; /* protect nat entry tree */
struct list_head nat_entries; /* cached nat entry list (clean) */
spinlock_t nat_list_lock; /* protect clean nat entry list */
unsigned int nat_cnt[MAX_NAT_STATE]; /* the # of cached nat entries */
#define IS_DUMMY_WRITTEN_PAGE(page) \
(page_private(page) == DUMMY_WRITTEN_PAGE)
- #ifdef CONFIG_F2FS_IO_TRACE
- #define IS_IO_TRACED_PAGE(page) \
- (page_private(page) > 0 && \
- page_private(page) < (unsigned long)PID_MAX_LIMIT)
- #else
- #define IS_IO_TRACED_PAGE(page) (0)
- #endif
-
/* For compression */
enum compress_algorithm_type {
COMPRESS_LZO,
#ifdef CONFIG_F2FS_FS_COMPRESSION
struct kmem_cache *page_array_slab; /* page array entry */
unsigned int page_array_slab_size; /* default page array slab size */
+
+ /* For runtime compression statistics */
+ u64 compr_written_block;
+ u64 compr_saved_block;
+ u32 compr_new_inode;
#endif
};
static inline void *__bitmap_ptr(struct f2fs_sb_info *sbi, int flag)
{
struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
+ void *tmp_ptr = &ckpt->sit_nat_version_bitmap;
int offset;
if (is_set_ckpt_flags(sbi, CP_LARGE_NAT_BITMAP_FLAG)) {
* if large_nat_bitmap feature is enabled, leave checksum
* protection for all nat/sit bitmaps.
*/
- return &ckpt->sit_nat_version_bitmap + offset + sizeof(__le32);
+ return tmp_ptr + offset + sizeof(__le32);
}
if (__cp_payload(sbi) > 0) {
} else {
offset = (flag == NAT_BITMAP) ?
le32_to_cpu(ckpt->sit_ver_bitmap_bytesize) : 0;
- return &ckpt->sit_nat_version_bitmap + offset;
+ return tmp_ptr + offset;
}
}
int f2fs_truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end);
void f2fs_truncate_data_blocks_range(struct dnode_of_data *dn, int count);
int f2fs_precache_extents(struct inode *inode);
+int f2fs_fileattr_get(struct dentry *dentry, struct fileattr *fa);
+int f2fs_fileattr_set(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct fileattr *fa);
long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
long f2fs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
int f2fs_transfer_project_quota(struct inode *inode, kprojid_t kprojid);
/*
* node.c
*/
- struct dnode_of_data;
struct node_info;
int f2fs_check_nid_range(struct f2fs_sb_info *sbi, nid_t nid);
int f2fs_disable_cp_again(struct f2fs_sb_info *sbi, block_t unusable);
void f2fs_release_discard_addrs(struct f2fs_sb_info *sbi);
int f2fs_npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra);
+ bool f2fs_segment_has_free_slot(struct f2fs_sb_info *sbi, int segno);
void f2fs_init_inmem_curseg(struct f2fs_sb_info *sbi);
void f2fs_save_inmem_curseg(struct f2fs_sb_info *sbi);
void f2fs_restore_inmem_curseg(struct f2fs_sb_info *sbi);
unsigned int *newseg, bool new_sec, int dir);
void f2fs_allocate_segment_for_resize(struct f2fs_sb_info *sbi, int type,
unsigned int start, unsigned int end);
- void f2fs_allocate_new_segment(struct f2fs_sb_info *sbi, int type);
+ void f2fs_allocate_new_section(struct f2fs_sb_info *sbi, int type, bool force);
void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi);
int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range);
bool f2fs_exist_trim_candidates(struct f2fs_sb_info *sbi,
int f2fs_start_gc_thread(struct f2fs_sb_info *sbi);
void f2fs_stop_gc_thread(struct f2fs_sb_info *sbi);
block_t f2fs_start_bidx_of_node(unsigned int node_ofs, struct inode *inode);
- int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, bool background,
+ int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, bool background, bool force,
unsigned int segno);
void f2fs_build_gc_manager(struct f2fs_sb_info *sbi);
int f2fs_resize_fs(struct f2fs_sb_info *sbi, __u64 block_count);
void f2fs_destroy_page_array_cache(struct f2fs_sb_info *sbi);
int __init f2fs_init_compress_cache(void);
void f2fs_destroy_compress_cache(void);
+ #define inc_compr_inode_stat(inode) \
+ do { \
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode); \
+ sbi->compr_new_inode++; \
+ } while (0)
+ #define add_compr_block_stat(inode, blocks) \
+ do { \
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode); \
+ int diff = F2FS_I(inode)->i_cluster_size - blocks; \
+ sbi->compr_written_block += blocks; \
+ sbi->compr_saved_block += diff; \
+ } while (0)
#else
static inline bool f2fs_is_compressed_page(struct page *page) { return false; }
static inline bool f2fs_is_compress_backend_ready(struct inode *inode)
static inline void f2fs_destroy_page_array_cache(struct f2fs_sb_info *sbi) { }
static inline int __init f2fs_init_compress_cache(void) { return 0; }
static inline void f2fs_destroy_compress_cache(void) { }
+ #define inc_compr_inode_stat(inode) do { } while (0)
#endif
static inline void set_compress_context(struct inode *inode)
F2FS_I(inode)->i_flags |= F2FS_COMPR_FL;
set_inode_flag(inode, FI_COMPRESSED_FILE);
stat_inc_compr_inode(inode);
+ inc_compr_inode_stat(inode);
f2fs_mark_inode_dirty_sync(inode, true);
}
if (F2FS_IO_ALIGNED(sbi))
return true;
}
- if (is_sbi_flag_set(F2FS_I_SB(inode), SBI_CP_DISABLED) &&
- !IS_SWAPFILE(inode))
+ if (is_sbi_flag_set(F2FS_I_SB(inode), SBI_CP_DISABLED))
return true;
return false;
#include <linux/file.h>
#include <linux/nls.h>
#include <linux/sched/signal.h>
+#include <linux/fileattr.h>
#include "f2fs.h"
#include "node.h"
.set_acl = f2fs_set_acl,
.listxattr = f2fs_listxattr,
.fiemap = f2fs_fiemap,
+ .fileattr_get = f2fs_fileattr_get,
+ .fileattr_set = f2fs_fileattr_set,
};
static int fill_zero(struct inode *inode, pgoff_t index,
struct f2fs_map_blocks map = { .m_next_pgofs = NULL,
.m_next_extent = NULL, .m_seg_type = NO_CHECK_TYPE,
.m_may_create = true };
- pgoff_t pg_end;
+ pgoff_t pg_start, pg_end;
loff_t new_size = i_size_read(inode);
loff_t off_end;
+ block_t expanded = 0;
int err;
err = inode_newsize_ok(inode, (len + offset));
f2fs_balance_fs(sbi, true);
+ pg_start = ((unsigned long long)offset) >> PAGE_SHIFT;
pg_end = ((unsigned long long)offset + len) >> PAGE_SHIFT;
off_end = (offset + len) & (PAGE_SIZE - 1);
- map.m_lblk = ((unsigned long long)offset) >> PAGE_SHIFT;
- map.m_len = pg_end - map.m_lblk;
+ map.m_lblk = pg_start;
+ map.m_len = pg_end - pg_start;
if (off_end)
map.m_len++;
return 0;
if (f2fs_is_pinned_file(inode)) {
- block_t len = (map.m_len >> sbi->log_blocks_per_seg) <<
- sbi->log_blocks_per_seg;
- block_t done = 0;
+ block_t sec_blks = BLKS_PER_SEC(sbi);
+ block_t sec_len = roundup(map.m_len, sec_blks);
- if (map.m_len % sbi->blocks_per_seg)
- len += sbi->blocks_per_seg;
-
- map.m_len = sbi->blocks_per_seg;
+ map.m_len = sec_blks;
next_alloc:
if (has_not_enough_free_secs(sbi, 0,
GET_SEC_FROM_SEG(sbi, overprovision_segments(sbi)))) {
down_write(&sbi->gc_lock);
- err = f2fs_gc(sbi, true, false, NULL_SEGNO);
+ err = f2fs_gc(sbi, true, false, false, NULL_SEGNO);
if (err && err != -ENODATA && err != -EAGAIN)
goto out_err;
}
down_write(&sbi->pin_sem);
f2fs_lock_op(sbi);
- f2fs_allocate_new_segment(sbi, CURSEG_COLD_DATA_PINNED);
+ f2fs_allocate_new_section(sbi, CURSEG_COLD_DATA_PINNED, false);
f2fs_unlock_op(sbi);
map.m_seg_type = CURSEG_COLD_DATA_PINNED;
up_write(&sbi->pin_sem);
- done += map.m_len;
- len -= map.m_len;
+ expanded += map.m_len;
+ sec_len -= map.m_len;
map.m_lblk += map.m_len;
- if (!err && len)
+ if (!err && sec_len)
goto next_alloc;
- map.m_len = done;
+ map.m_len = expanded;
} else {
err = f2fs_map_blocks(inode, &map, 1, F2FS_GET_BLOCK_PRE_AIO);
+ expanded = map.m_len;
}
out_err:
if (err) {
pgoff_t last_off;
- if (!map.m_len)
+ if (!expanded)
return err;
- last_off = map.m_lblk + map.m_len - 1;
+ last_off = pg_start + expanded - 1;
/* update new size to the failed position */
new_size = (last_off == pg_end) ? offset + len :
return 0;
}
-/* FS_IOC_GETFLAGS and FS_IOC_SETFLAGS support */
+/* FS_IOC_[GS]ETFLAGS and FS_IOC_FS[GS]ETXATTR support */
/*
* To make a new on-disk f2fs i_flag gettable via FS_IOC_GETFLAGS, add an entry
* for it to f2fs_fsflags_map[], and add its FS_*_FL equivalent to
* F2FS_GETTABLE_FS_FL. To also make it settable via FS_IOC_SETFLAGS, also add
* its FS_*_FL equivalent to F2FS_SETTABLE_FS_FL.
+ *
+ * Translating flags to fsx_flags value used by FS_IOC_FSGETXATTR and
+ * FS_IOC_FSSETXATTR is done by the VFS.
*/
static const struct {
return iflags;
}
-static int f2fs_ioc_getflags(struct file *filp, unsigned long arg)
-{
- struct inode *inode = file_inode(filp);
- struct f2fs_inode_info *fi = F2FS_I(inode);
- u32 fsflags = f2fs_iflags_to_fsflags(fi->i_flags);
-
- if (IS_ENCRYPTED(inode))
- fsflags |= FS_ENCRYPT_FL;
- if (IS_VERITY(inode))
- fsflags |= FS_VERITY_FL;
- if (f2fs_has_inline_data(inode) || f2fs_has_inline_dentry(inode))
- fsflags |= FS_INLINE_DATA_FL;
- if (is_inode_flag_set(inode, FI_PIN_FILE))
- fsflags |= FS_NOCOW_FL;
-
- fsflags &= F2FS_GETTABLE_FS_FL;
-
- return put_user(fsflags, (int __user *)arg);
-}
-
-static int f2fs_ioc_setflags(struct file *filp, unsigned long arg)
-{
- struct inode *inode = file_inode(filp);
- struct f2fs_inode_info *fi = F2FS_I(inode);
- u32 fsflags, old_fsflags;
- u32 iflags;
- int ret;
-
- if (!inode_owner_or_capable(&init_user_ns, inode))
- return -EACCES;
-
- if (get_user(fsflags, (int __user *)arg))
- return -EFAULT;
-
- if (fsflags & ~F2FS_GETTABLE_FS_FL)
- return -EOPNOTSUPP;
- fsflags &= F2FS_SETTABLE_FS_FL;
-
- iflags = f2fs_fsflags_to_iflags(fsflags);
- if (f2fs_mask_flags(inode->i_mode, iflags) != iflags)
- return -EOPNOTSUPP;
-
- ret = mnt_want_write_file(filp);
- if (ret)
- return ret;
-
- inode_lock(inode);
-
- old_fsflags = f2fs_iflags_to_fsflags(fi->i_flags);
- ret = vfs_ioc_setflags_prepare(inode, old_fsflags, fsflags);
- if (ret)
- goto out;
-
- ret = f2fs_setflags_common(inode, iflags,
- f2fs_fsflags_to_iflags(F2FS_SETTABLE_FS_FL));
-out:
- inode_unlock(inode);
- mnt_drop_write_file(filp);
- return ret;
-}
-
static int f2fs_ioc_getversion(struct file *filp, unsigned long arg)
{
struct inode *inode = file_inode(filp);
down_write(&sbi->gc_lock);
}
- ret = f2fs_gc(sbi, sync, true, NULL_SEGNO);
+ ret = f2fs_gc(sbi, sync, true, false, NULL_SEGNO);
out:
mnt_drop_write_file(filp);
return ret;
down_write(&sbi->gc_lock);
}
- ret = f2fs_gc(sbi, range->sync, true, GET_SEGNO(sbi, range->start));
+ ret = f2fs_gc(sbi, range->sync, true, false,
+ GET_SEGNO(sbi, range->start));
if (ret) {
if (ret == -EBUSY)
ret = -EAGAIN;
{
struct inode *inode = file_inode(filp);
struct f2fs_map_blocks map = { .m_next_extent = NULL,
- .m_seg_type = NO_CHECK_TYPE ,
+ .m_seg_type = NO_CHECK_TYPE,
.m_may_create = false };
struct extent_info ei = {0, 0, 0};
pgoff_t pg_start, pg_end, next_pgofs;
sm->last_victim[GC_CB] = end_segno + 1;
sm->last_victim[GC_GREEDY] = end_segno + 1;
sm->last_victim[ALLOC_NEXT] = end_segno + 1;
- ret = f2fs_gc(sbi, true, true, start_segno);
+ ret = f2fs_gc(sbi, true, true, true, start_segno);
if (ret == -EAGAIN)
ret = 0;
else if (ret < 0)
return err;
}
-static int f2fs_ioc_setproject(struct file *filp, __u32 projid)
+static int f2fs_ioc_setproject(struct inode *inode, __u32 projid)
{
- struct inode *inode = file_inode(filp);
struct f2fs_inode_info *fi = F2FS_I(inode);
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct page *ipage;
return 0;
}
-static int f2fs_ioc_setproject(struct file *filp, __u32 projid)
+static int f2fs_ioc_setproject(struct inode *inode, __u32 projid)
{
if (projid != F2FS_DEF_PROJID)
return -EOPNOTSUPP;
}
#endif
-/* FS_IOC_FSGETXATTR and FS_IOC_FSSETXATTR support */
-
-/*
- * To make a new on-disk f2fs i_flag gettable via FS_IOC_FSGETXATTR and settable
- * via FS_IOC_FSSETXATTR, add an entry for it to f2fs_xflags_map[], and add its
- * FS_XFLAG_* equivalent to F2FS_SUPPORTED_XFLAGS.
- */
-
-static const struct {
- u32 iflag;
- u32 xflag;
-} f2fs_xflags_map[] = {
- { F2FS_SYNC_FL, FS_XFLAG_SYNC },
- { F2FS_IMMUTABLE_FL, FS_XFLAG_IMMUTABLE },
- { F2FS_APPEND_FL, FS_XFLAG_APPEND },
- { F2FS_NODUMP_FL, FS_XFLAG_NODUMP },
- { F2FS_NOATIME_FL, FS_XFLAG_NOATIME },
- { F2FS_PROJINHERIT_FL, FS_XFLAG_PROJINHERIT },
-};
-
-#define F2FS_SUPPORTED_XFLAGS ( \
- FS_XFLAG_SYNC | \
- FS_XFLAG_IMMUTABLE | \
- FS_XFLAG_APPEND | \
- FS_XFLAG_NODUMP | \
- FS_XFLAG_NOATIME | \
- FS_XFLAG_PROJINHERIT)
-
-/* Convert f2fs on-disk i_flags to FS_IOC_FS{GET,SET}XATTR flags */
-static inline u32 f2fs_iflags_to_xflags(u32 iflags)
-{
- u32 xflags = 0;
- int i;
-
- for (i = 0; i < ARRAY_SIZE(f2fs_xflags_map); i++)
- if (iflags & f2fs_xflags_map[i].iflag)
- xflags |= f2fs_xflags_map[i].xflag;
-
- return xflags;
-}
-
-/* Convert FS_IOC_FS{GET,SET}XATTR flags to f2fs on-disk i_flags */
-static inline u32 f2fs_xflags_to_iflags(u32 xflags)
-{
- u32 iflags = 0;
- int i;
-
- for (i = 0; i < ARRAY_SIZE(f2fs_xflags_map); i++)
- if (xflags & f2fs_xflags_map[i].xflag)
- iflags |= f2fs_xflags_map[i].iflag;
-
- return iflags;
-}
-
-static void f2fs_fill_fsxattr(struct inode *inode, struct fsxattr *fa)
+int f2fs_fileattr_get(struct dentry *dentry, struct fileattr *fa)
{
+ struct inode *inode = d_inode(dentry);
struct f2fs_inode_info *fi = F2FS_I(inode);
+ u32 fsflags = f2fs_iflags_to_fsflags(fi->i_flags);
- simple_fill_fsxattr(fa, f2fs_iflags_to_xflags(fi->i_flags));
+ if (IS_ENCRYPTED(inode))
+ fsflags |= FS_ENCRYPT_FL;
+ if (IS_VERITY(inode))
+ fsflags |= FS_VERITY_FL;
+ if (f2fs_has_inline_data(inode) || f2fs_has_inline_dentry(inode))
+ fsflags |= FS_INLINE_DATA_FL;
+ if (is_inode_flag_set(inode, FI_PIN_FILE))
+ fsflags |= FS_NOCOW_FL;
+
+ fileattr_fill_flags(fa, fsflags & F2FS_GETTABLE_FS_FL);
if (f2fs_sb_has_project_quota(F2FS_I_SB(inode)))
fa->fsx_projid = from_kprojid(&init_user_ns, fi->i_projid);
-}
-static int f2fs_ioc_fsgetxattr(struct file *filp, unsigned long arg)
-{
- struct inode *inode = file_inode(filp);
- struct fsxattr fa;
-
- f2fs_fill_fsxattr(inode, &fa);
-
- if (copy_to_user((struct fsxattr __user *)arg, &fa, sizeof(fa)))
- return -EFAULT;
return 0;
}
-static int f2fs_ioc_fssetxattr(struct file *filp, unsigned long arg)
+int f2fs_fileattr_set(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct fileattr *fa)
{
- struct inode *inode = file_inode(filp);
- struct fsxattr fa, old_fa;
+ struct inode *inode = d_inode(dentry);
+ u32 fsflags = fa->flags, mask = F2FS_SETTABLE_FS_FL;
u32 iflags;
int err;
- if (copy_from_user(&fa, (struct fsxattr __user *)arg, sizeof(fa)))
- return -EFAULT;
-
- /* Make sure caller has proper permission */
- if (!inode_owner_or_capable(&init_user_ns, inode))
- return -EACCES;
-
- if (fa.fsx_xflags & ~F2FS_SUPPORTED_XFLAGS)
+ if (unlikely(f2fs_cp_error(F2FS_I_SB(inode))))
+ return -EIO;
+ if (!f2fs_is_checkpoint_ready(F2FS_I_SB(inode)))
+ return -ENOSPC;
+ if (fsflags & ~F2FS_GETTABLE_FS_FL)
return -EOPNOTSUPP;
+ fsflags &= F2FS_SETTABLE_FS_FL;
+ if (!fa->flags_valid)
+ mask &= FS_COMMON_FL;
- iflags = f2fs_xflags_to_iflags(fa.fsx_xflags);
+ iflags = f2fs_fsflags_to_iflags(fsflags);
if (f2fs_mask_flags(inode->i_mode, iflags) != iflags)
return -EOPNOTSUPP;
- err = mnt_want_write_file(filp);
- if (err)
- return err;
-
- inode_lock(inode);
-
- f2fs_fill_fsxattr(inode, &old_fa);
- err = vfs_ioc_fssetxattr_check(inode, &old_fa, &fa);
- if (err)
- goto out;
-
- err = f2fs_setflags_common(inode, iflags,
- f2fs_xflags_to_iflags(F2FS_SUPPORTED_XFLAGS));
- if (err)
- goto out;
+ err = f2fs_setflags_common(inode, iflags, f2fs_fsflags_to_iflags(mask));
+ if (!err)
+ err = f2fs_ioc_setproject(inode, fa->fsx_projid);
- err = f2fs_ioc_setproject(filp, fa.fsx_projid);
-out:
- inode_unlock(inode);
- mnt_drop_write_file(filp);
return err;
}
static int redirty_blocks(struct inode *inode, pgoff_t page_idx, int len)
{
- DEFINE_READAHEAD(ractl, NULL, inode->i_mapping, page_idx);
+ DEFINE_READAHEAD(ractl, NULL, NULL, inode->i_mapping, page_idx);
struct address_space *mapping = inode->i_mapping;
struct page *page;
pgoff_t redirty_idx = page_idx;
static long __f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
switch (cmd) {
- case FS_IOC_GETFLAGS:
- return f2fs_ioc_getflags(filp, arg);
- case FS_IOC_SETFLAGS:
- return f2fs_ioc_setflags(filp, arg);
case FS_IOC_GETVERSION:
return f2fs_ioc_getversion(filp, arg);
case F2FS_IOC_START_ATOMIC_WRITE:
return f2fs_ioc_flush_device(filp, arg);
case F2FS_IOC_GET_FEATURES:
return f2fs_ioc_get_features(filp, arg);
- case FS_IOC_FSGETXATTR:
- return f2fs_ioc_fsgetxattr(filp, arg);
- case FS_IOC_FSSETXATTR:
- return f2fs_ioc_fssetxattr(filp, arg);
case F2FS_IOC_GET_PIN_FILE:
return f2fs_ioc_get_pin_file(filp, arg);
case F2FS_IOC_SET_PIN_FILE:
clear_inode_flag(inode, FI_NO_PREALLOC);
/* if we couldn't write data, we should deallocate blocks. */
- if (preallocated && i_size_read(inode) < target_size)
+ if (preallocated && i_size_read(inode) < target_size) {
+ down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+ down_write(&F2FS_I(inode)->i_mmap_sem);
f2fs_truncate(inode);
+ up_write(&F2FS_I(inode)->i_mmap_sem);
+ up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+ }
if (ret > 0)
f2fs_update_iostat(F2FS_I_SB(inode), APP_WRITE_IO, ret);
return -ENOSPC;
switch (cmd) {
- case FS_IOC32_GETFLAGS:
- cmd = FS_IOC_GETFLAGS;
- break;
- case FS_IOC32_SETFLAGS:
- cmd = FS_IOC_SETFLAGS;
- break;
case FS_IOC32_GETVERSION:
cmd = FS_IOC_GETVERSION;
break;
case F2FS_IOC_DEFRAGMENT:
case F2FS_IOC_FLUSH_DEVICE:
case F2FS_IOC_GET_FEATURES:
- case FS_IOC_FSGETXATTR:
- case FS_IOC_FSSETXATTR:
case F2FS_IOC_GET_PIN_FILE:
case F2FS_IOC_SET_PIN_FILE:
case F2FS_IOC_PRECACHE_EXTENTS:
struct dentry *f2fs_get_parent(struct dentry *child)
{
- struct qstr dotdot = QSTR_INIT("..", 2);
struct page *page;
- unsigned long ino = f2fs_inode_by_name(d_inode(child), &dotdot, &page);
+ unsigned long ino = f2fs_inode_by_name(d_inode(child), &dotdot_name, &page);
+
if (!ino) {
if (IS_ERR(page))
return ERR_CAST(page);
struct delayed_call *done)
{
const char *link = page_get_link(dentry, inode, done);
+
if (!IS_ERR(link) && !*link) {
/* this is broken symlink case */
do_delayed_call(done);
static int f2fs_rmdir(struct inode *dir, struct dentry *dentry)
{
struct inode *inode = d_inode(dentry);
+
if (f2fs_empty_dir(inode))
return f2fs_unlink(dir, dentry);
return -ENOTEMPTY;
.set_acl = f2fs_set_acl,
.listxattr = f2fs_listxattr,
.fiemap = f2fs_fiemap,
+ .fileattr_get = f2fs_fileattr_get,
+ .fileattr_set = f2fs_fileattr_set,
};
const struct inode_operations f2fs_symlink_inode_operations = {
{
struct inmem_pages *new;
- f2fs_set_page_private(page, ATOMIC_WRITTEN_PAGE);
+ if (PagePrivate(page))
+ set_page_private(page, (unsigned long)ATOMIC_WRITTEN_PAGE);
+ else
+ f2fs_set_page_private(page, ATOMIC_WRITTEN_PAGE);
new = f2fs_kmem_cache_alloc(inmem_entry_slab, GFP_NOFS);
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct f2fs_inode_info *fi = F2FS_I(inode);
- while (!list_empty(&fi->inmem_pages)) {
+ do {
mutex_lock(&fi->inmem_lock);
+ if (list_empty(&fi->inmem_pages)) {
+ fi->i_gc_failures[GC_FAILURE_ATOMIC] = 0;
+
+ spin_lock(&sbi->inode_lock[ATOMIC_FILE]);
+ if (!list_empty(&fi->inmem_ilist))
+ list_del_init(&fi->inmem_ilist);
+ if (f2fs_is_atomic_file(inode)) {
+ clear_inode_flag(inode, FI_ATOMIC_FILE);
+ sbi->atomic_files--;
+ }
+ spin_unlock(&sbi->inode_lock[ATOMIC_FILE]);
+
+ mutex_unlock(&fi->inmem_lock);
+ break;
+ }
__revoke_inmem_pages(inode, &fi->inmem_pages,
true, false, true);
mutex_unlock(&fi->inmem_lock);
- }
-
- fi->i_gc_failures[GC_FAILURE_ATOMIC] = 0;
-
- spin_lock(&sbi->inode_lock[ATOMIC_FILE]);
- if (!list_empty(&fi->inmem_ilist))
- list_del_init(&fi->inmem_ilist);
- if (f2fs_is_atomic_file(inode)) {
- clear_inode_flag(inode, FI_ATOMIC_FILE);
- sbi->atomic_files--;
- }
- spin_unlock(&sbi->inode_lock[ATOMIC_FILE]);
+ } while (1);
}
void f2fs_drop_inmem_page(struct inode *inode, struct page *page)
* dir/node pages without enough free segments.
*/
if (has_not_enough_free_secs(sbi, 0, 0)) {
- down_write(&sbi->gc_lock);
- f2fs_gc(sbi, false, false, NULL_SEGNO);
+ if (test_opt(sbi, GC_MERGE) && sbi->gc_thread &&
+ sbi->gc_thread->f2fs_gc_task) {
+ DEFINE_WAIT(wait);
+
+ prepare_to_wait(&sbi->gc_thread->fggc_wq, &wait,
+ TASK_UNINTERRUPTIBLE);
+ wake_up(&sbi->gc_thread->gc_wait_queue_head);
+ io_schedule();
+ finish_wait(&sbi->gc_thread->fggc_wq, &wait);
+ } else {
+ down_write(&sbi->gc_lock);
+ f2fs_gc(sbi, false, false, false, NULL_SEGNO);
+ }
}
}
llist_add(&cmd.llnode, &fcc->issue_list);
- /* update issue_list before we wake up issue_flush thread */
+ /*
+ * update issue_list before we wake up issue_flush thread, this
+ * smp_mb() pairs with another barrier in ___wait_event(), see
+ * more details in comments of waitqueue_active().
+ */
smp_mb();
if (waitqueue_active(&fcc->flush_wait_queue))
mutex_lock(&dirty_i->seglist_lock);
valid_blocks = get_valid_blocks(sbi, segno, false);
- ckpt_valid_blocks = get_ckpt_valid_blocks(sbi, segno);
+ ckpt_valid_blocks = get_ckpt_valid_blocks(sbi, segno, false);
if (valid_blocks == 0 && (!is_sbi_flag_set(sbi, SBI_CP_DISABLED) ||
ckpt_valid_blocks == usable_blocks)) {
for_each_set_bit(segno, dirty_i->dirty_segmap[DIRTY], MAIN_SEGS(sbi)) {
if (get_valid_blocks(sbi, segno, false))
continue;
- if (get_ckpt_valid_blocks(sbi, segno))
+ if (get_ckpt_valid_blocks(sbi, segno, false))
continue;
mutex_unlock(&dirty_i->seglist_lock);
return segno;
struct discard_policy *dpolicy,
int discard_type, unsigned int granularity)
{
+ struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info;
+
/* common policy */
dpolicy->type = discard_type;
dpolicy->sync = true;
dpolicy->ordered = true;
if (utilization(sbi) > DEF_DISCARD_URGENT_UTIL) {
dpolicy->granularity = 1;
- dpolicy->max_interval = DEF_MIN_DISCARD_ISSUE_TIME;
+ if (atomic_read(&dcc->discard_cmd_cnt))
+ dpolicy->max_interval =
+ DEF_MIN_DISCARD_ISSUE_TIME;
}
} else if (discard_type == DPOLICY_FORCE) {
dpolicy->min_interval = DEF_MIN_DISCARD_ISSUE_TIME;
set_freezable();
do {
- __init_discard_policy(sbi, &dpolicy, DPOLICY_BG,
- dcc->discard_granularity);
+ if (sbi->gc_mode == GC_URGENT_HIGH ||
+ !f2fs_available_free_memory(sbi, DISCARD_CACHE))
+ __init_discard_policy(sbi, &dpolicy, DPOLICY_FORCE, 1);
+ else
+ __init_discard_policy(sbi, &dpolicy, DPOLICY_BG,
+ dcc->discard_granularity);
+
+ if (!atomic_read(&dcc->discard_cmd_cnt))
+ wait_ms = dpolicy.max_interval;
wait_event_interruptible_timeout(*q,
kthread_should_stop() || freezing(current) ||
wait_ms = dpolicy.max_interval;
continue;
}
-
- if (sbi->gc_mode == GC_URGENT_HIGH)
- __init_discard_policy(sbi, &dpolicy, DPOLICY_FORCE, 1);
+ if (!atomic_read(&dcc->discard_cmd_cnt))
+ continue;
sb_start_intwrite(sbi->sb);
if (issued > 0) {
__wait_all_discard_cmd(sbi, &dpolicy);
wait_ms = dpolicy.min_interval;
- } else if (issued == -1){
+ } else if (issued == -1) {
wait_ms = f2fs_time_to_wait(sbi, DISCARD_TIME);
if (!wait_ms)
wait_ms = dpolicy.mid_interval;
unsigned int segno, int modified)
{
struct seg_entry *se = get_seg_entry(sbi, segno);
+
se->type = type;
if (modified)
__mark_sit_entry_dirty(sbi, segno);
{
struct curseg_info *curseg = CURSEG_I(sbi, type);
void *addr = curseg->sum_blk;
+
addr += curseg->next_blkoff * sizeof(struct f2fs_summary);
memcpy(addr, sum, sizeof(struct f2fs_summary));
}
curseg->alloc_type = LFS;
}
- static void __next_free_blkoff(struct f2fs_sb_info *sbi,
- struct curseg_info *seg, block_t start)
+ static int __next_free_blkoff(struct f2fs_sb_info *sbi,
+ int segno, block_t start)
{
- struct seg_entry *se = get_seg_entry(sbi, seg->segno);
+ struct seg_entry *se = get_seg_entry(sbi, segno);
int entries = SIT_VBLOCK_MAP_SIZE / sizeof(unsigned long);
unsigned long *target_map = SIT_I(sbi)->tmp_map;
unsigned long *ckpt_map = (unsigned long *)se->ckpt_valid_map;
unsigned long *cur_map = (unsigned long *)se->cur_valid_map;
- int i, pos;
+ int i;
for (i = 0; i < entries; i++)
target_map[i] = ckpt_map[i] | cur_map[i];
- pos = __find_rev_next_zero_bit(target_map, sbi->blocks_per_seg, start);
-
- seg->next_blkoff = pos;
+ return __find_rev_next_zero_bit(target_map, sbi->blocks_per_seg, start);
}
/*
struct curseg_info *seg)
{
if (seg->alloc_type == SSR)
- __next_free_blkoff(sbi, seg, seg->next_blkoff + 1);
+ seg->next_blkoff =
+ __next_free_blkoff(sbi, seg->segno,
+ seg->next_blkoff + 1);
else
seg->next_blkoff++;
}
+ bool f2fs_segment_has_free_slot(struct f2fs_sb_info *sbi, int segno)
+ {
+ return __next_free_blkoff(sbi, segno, 0) < sbi->blocks_per_seg;
+ }
+
/*
* This function always allocates a used segment(from dirty seglist) by SSR
* manner, so it should recover the existing segment information of valid blocks
reset_curseg(sbi, type, 1);
curseg->alloc_type = SSR;
- __next_free_blkoff(sbi, curseg, 0);
+ curseg->next_blkoff = __next_free_blkoff(sbi, curseg->segno, 0);
sum_page = f2fs_get_sum_page(sbi, new_segno);
if (IS_ERR(sum_page)) {
up_read(&SM_I(sbi)->curseg_lock);
}
- static void __allocate_new_segment(struct f2fs_sb_info *sbi, int type)
+ static void __allocate_new_segment(struct f2fs_sb_info *sbi, int type,
+ bool new_sec, bool force)
{
struct curseg_info *curseg = CURSEG_I(sbi, type);
unsigned int old_segno;
if (!curseg->inited)
goto alloc;
- if (!curseg->next_blkoff &&
- !get_valid_blocks(sbi, curseg->segno, false) &&
- !get_ckpt_valid_blocks(sbi, curseg->segno))
- return;
+ if (force || curseg->next_blkoff ||
+ get_valid_blocks(sbi, curseg->segno, new_sec))
+ goto alloc;
+ if (!get_ckpt_valid_blocks(sbi, curseg->segno, new_sec))
+ return;
alloc:
old_segno = curseg->segno;
SIT_I(sbi)->s_ops->allocate_segment(sbi, type, true);
locate_dirty_segment(sbi, old_segno);
}
- void f2fs_allocate_new_segment(struct f2fs_sb_info *sbi, int type)
+ static void __allocate_new_section(struct f2fs_sb_info *sbi,
+ int type, bool force)
+ {
+ __allocate_new_segment(sbi, type, true, force);
+ }
+
+ void f2fs_allocate_new_section(struct f2fs_sb_info *sbi, int type, bool force)
{
+ down_read(&SM_I(sbi)->curseg_lock);
down_write(&SIT_I(sbi)->sentry_lock);
- __allocate_new_segment(sbi, type);
+ __allocate_new_section(sbi, type, force);
up_write(&SIT_I(sbi)->sentry_lock);
+ up_read(&SM_I(sbi)->curseg_lock);
}
void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi)
{
int i;
+ down_read(&SM_I(sbi)->curseg_lock);
down_write(&SIT_I(sbi)->sentry_lock);
for (i = CURSEG_HOT_DATA; i <= CURSEG_COLD_DATA; i++)
- __allocate_new_segment(sbi, i);
+ __allocate_new_segment(sbi, i, false, false);
up_write(&SIT_I(sbi)->sentry_lock);
+ up_read(&SM_I(sbi)->curseg_lock);
}
static const struct segment_allocation default_salloc_ops = {
struct inode *inode = fio->page->mapping->host;
if (is_cold_data(fio->page)) {
- if (fio->sbi->am.atgc_enabled)
+ if (fio->sbi->am.atgc_enabled &&
+ (fio->io_type == FS_DATA_IO) &&
+ (fio->sbi->gc_mode != GC_URGENT_HIGH))
return CURSEG_ALL_DATA_ATGC;
else
return CURSEG_COLD_DATA;
f2fs_inode_chksum_set(sbi, page);
}
- if (F2FS_IO_ALIGNED(sbi))
- fio->retry = false;
-
if (fio) {
struct f2fs_bio_info *io;
+ if (F2FS_IO_ALIGNED(sbi))
+ fio->retry = false;
+
INIT_LIST_HEAD(&fio->list);
fio->in_list = true;
io = sbi->write_io[fio->type] + fio->temp;
set_sbi_flag(sbi, SBI_NEED_FSCK);
f2fs_warn(sbi, "%s: incorrect segment(%u) type, run fsck to fix.",
__func__, segno);
- return -EFSCORRUPTED;
+ err = -EFSCORRUPTED;
+ goto drop_bio;
+ }
+
+ if (is_sbi_flag_set(sbi, SBI_NEED_FSCK) || f2fs_cp_error(sbi)) {
+ err = -EIO;
+ goto drop_bio;
}
stat_inc_inplace_blocks(fio->sbi);
}
return err;
+ drop_bio:
+ if (fio->bio) {
+ struct bio *bio = *(fio->bio);
+
+ bio->bi_status = BLK_STS_IOERR;
+ bio_endio(bio);
+ fio->bio = NULL;
+ }
+ return err;
}
static inline int __f2fs_get_curseg(struct f2fs_sb_info *sbi,
struct seg_entry *se;
int type;
unsigned short old_blkoff;
+ unsigned char old_alloc_type;
segno = GET_SEGNO(sbi, new_blkaddr);
se = get_seg_entry(sbi, segno);
old_cursegno = curseg->segno;
old_blkoff = curseg->next_blkoff;
+ old_alloc_type = curseg->alloc_type;
/* change the current segment */
if (segno != curseg->segno) {
change_curseg(sbi, type, true);
}
curseg->next_blkoff = old_blkoff;
+ curseg->alloc_type = old_alloc_type;
}
up_write(&sit_i->sentry_lock);
for (j = 0; j < blk_off; j++) {
struct f2fs_summary *s;
+
s = (struct f2fs_summary *)(kaddr + offset);
seg_i->sum_blk->entries[j] = *s;
offset += SUMMARY_SIZE;
if (__exist_node_summaries(sbi)) {
struct f2fs_summary *ns = &sum->entries[0];
int i;
+
for (i = 0; i < sbi->blocks_per_seg; i++, ns++) {
ns->version = 0;
ns->ofs_in_node = 0;
/* Step 3: write summary entries */
for (i = CURSEG_HOT_DATA; i <= CURSEG_COLD_DATA; i++) {
unsigned short blkoff;
+
seg_i = CURSEG_I(sbi, i);
if (sbi->ckpt->alloc_type[i] == SSR)
blkoff = sbi->blocks_per_seg;
block_t blkaddr, int type)
{
int i, end;
+
if (IS_DATASEG(type))
end = type + NR_CURSEG_DATA_TYPE;
else
block_t total_node_blocks = 0;
do {
- readed = f2fs_ra_meta_pages(sbi, start_blk, BIO_MAX_PAGES,
+ readed = f2fs_ra_meta_pages(sbi, start_blk, BIO_MAX_VECS,
META_SIT, true);
start = start_blk * sit_i->sents_per_block;
/* set use the current segments */
for (type = CURSEG_HOT_DATA; type <= CURSEG_COLD_NODE; type++) {
struct curseg_info *curseg_t = CURSEG_I(sbi, type);
+
__set_test_and_inuse(sbi, curseg_t->segno);
}
}
}
static int report_one_zone_cb(struct blk_zone *zone, unsigned int idx,
- void *data) {
+ void *data)
+ {
memcpy(data, zone, sizeof(struct blk_zone));
return 0;
}
f2fs_notice(sbi, "Assign new section to curseg[%d]: "
"curseg[0x%x,0x%x]", type, cs->segno, cs->next_blkoff);
- allocate_segment_by_default(sbi, type, true);
+
+ f2fs_allocate_new_section(sbi, type, true);
/* check consistency of the zone curseg pointed to */
if (check_zone_write_pointer(sbi, zbd, &zone))
};
static int check_zone_write_pointer_cb(struct blk_zone *zone, unsigned int idx,
- void *data) {
+ void *data)
+ {
struct check_zone_write_pointer_args *args;
+
args = (struct check_zone_write_pointer_args *)data;
return check_zone_write_pointer(args->sbi, args->fdev, zone);
static void destroy_victim_secmap(struct f2fs_sb_info *sbi)
{
struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
+
kvfree(dirty_i->victim_secmap);
}
static void destroy_free_segmap(struct f2fs_sb_info *sbi)
{
struct free_segmap_info *free_i = SM_I(sbi)->free_info;
+
if (!free_i)
return;
SM_I(sbi)->free_info = NULL;
/*
* BG_GC means the background cleaning job.
* FG_GC means the on-demand cleaning job.
- * FORCE_FG_GC means on-demand cleaning job in background.
*/
enum {
BG_GC = 0,
FG_GC,
- FORCE_FG_GC,
};
/* for a function parameter to select a victim segment */
}
static inline unsigned int get_ckpt_valid_blocks(struct f2fs_sb_info *sbi,
- unsigned int segno)
+ unsigned int segno, bool use_section)
{
+ if (use_section && __is_large_section(sbi)) {
+ unsigned int start_segno = START_SEGNO(segno);
+ unsigned int blocks = 0;
+ int i;
+
+ for (i = 0; i < sbi->segs_per_sec; i++, start_segno++) {
+ struct seg_entry *se = get_seg_entry(sbi, start_segno);
+
+ blocks += se->ckpt_valid_blocks;
+ }
+ return blocks;
+ }
return get_seg_entry(sbi, segno)->ckpt_valid_blocks;
}
else if (type == NODE)
return 8 * sbi->blocks_per_seg;
else if (type == META)
- return 8 * BIO_MAX_PAGES;
+ return 8 * BIO_MAX_VECS;
else
return 0;
}
return 0;
nr_to_write = wbc->nr_to_write;
- desired = BIO_MAX_PAGES;
+ desired = BIO_MAX_VECS;
if (type == NODE)
desired <<= 1;
Opt_compress_chksum,
Opt_compress_mode,
Opt_atgc,
+ Opt_gc_merge,
+ Opt_nogc_merge,
Opt_err,
};
{Opt_compress_chksum, "compress_chksum"},
{Opt_compress_mode, "compress_mode=%s"},
{Opt_atgc, "atgc"},
+ {Opt_gc_merge, "gc_merge"},
+ {Opt_nogc_merge, "nogc_merge"},
{Opt_err, NULL},
};
while ((p = strsep(&options, ",")) != NULL) {
int token;
+
if (!*p)
continue;
/*
case Opt_io_size_bits:
if (args->from && match_int(args, &arg))
return -EINVAL;
- if (arg <= 0 || arg > __ilog2_u32(BIO_MAX_PAGES)) {
+ if (arg <= 0 || arg > __ilog2_u32(BIO_MAX_VECS)) {
f2fs_warn(sbi, "Not support %d, larger than %d",
- 1 << arg, BIO_MAX_PAGES);
+ 1 << arg, BIO_MAX_VECS);
return -EINVAL;
}
F2FS_OPTION(sbi).write_io_size_bits = arg;
case Opt_atgc:
set_opt(sbi, ATGC);
break;
+ case Opt_gc_merge:
+ set_opt(sbi, GC_MERGE);
+ break;
+ case Opt_nogc_merge:
+ clear_opt(sbi, GC_MERGE);
+ break;
default:
f2fs_err(sbi, "Unrecognized mount option \"%s\" or missing value",
p);
#endif
}
+ #ifdef CONFIG_F2FS_FS_COMPRESSION
static inline void f2fs_show_compress_options(struct seq_file *seq,
struct super_block *sb)
{
else if (F2FS_OPTION(sbi).compress_mode == COMPR_MODE_USER)
seq_printf(seq, ",compress_mode=%s", "user");
}
+ #endif
static int f2fs_show_options(struct seq_file *seq, struct dentry *root)
{
else if (F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_OFF)
seq_printf(seq, ",background_gc=%s", "off");
+ if (test_opt(sbi, GC_MERGE))
+ seq_puts(seq, ",gc_merge");
+
if (test_opt(sbi, DISABLE_ROLL_FORWARD))
seq_puts(seq, ",disable_roll_forward");
if (test_opt(sbi, NORECOVERY))
set_opt(sbi, EXTENT_CACHE);
set_opt(sbi, NOHEAP);
clear_opt(sbi, DISABLE_CHECKPOINT);
+ set_opt(sbi, MERGE_CHECKPOINT);
F2FS_OPTION(sbi).unusable_cap = 0;
sbi->sb->s_flags |= SB_LAZYTIME;
set_opt(sbi, FLUSH_MERGE);
while (!f2fs_time_over(sbi, DISABLE_TIME)) {
down_write(&sbi->gc_lock);
- err = f2fs_gc(sbi, true, false, NULL_SEGNO);
+ err = f2fs_gc(sbi, true, false, false, NULL_SEGNO);
if (err == -ENODATA) {
err = 0;
break;
ret = sync_filesystem(sbi->sb);
if (ret || err) {
- err = ret ? ret: err;
+ err = ret ? ret : err;
goto restore_flag;
}
struct f2fs_mount_info org_mount_opt;
unsigned long old_sb_flags;
int err;
- bool need_restart_gc = false;
- bool need_stop_gc = false;
+ bool need_restart_gc = false, need_stop_gc = false;
+ bool need_restart_ckpt = false, need_stop_ckpt = false;
+ bool need_restart_flush = false, need_stop_flush = false;
bool no_extent_cache = !test_opt(sbi, EXTENT_CACHE);
bool disable_checkpoint = test_opt(sbi, DISABLE_CHECKPOINT);
bool no_io_align = !F2FS_IO_ALIGNED(sbi);
* option. Also sync the filesystem.
*/
if ((*flags & SB_RDONLY) ||
- F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_OFF) {
+ (F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_OFF &&
+ !test_opt(sbi, GC_MERGE))) {
if (sbi->gc_thread) {
f2fs_stop_gc_thread(sbi);
need_restart_gc = true;
clear_sbi_flag(sbi, SBI_IS_CLOSE);
}
- if (checkpoint_changed) {
- if (test_opt(sbi, DISABLE_CHECKPOINT)) {
- err = f2fs_disable_checkpoint(sbi);
- if (err)
- goto restore_gc;
- } else {
- f2fs_enable_checkpoint(sbi);
- }
- }
-
- if (!test_opt(sbi, DISABLE_CHECKPOINT) &&
- test_opt(sbi, MERGE_CHECKPOINT)) {
+ if ((*flags & SB_RDONLY) || test_opt(sbi, DISABLE_CHECKPOINT) ||
+ !test_opt(sbi, MERGE_CHECKPOINT)) {
+ f2fs_stop_ckpt_thread(sbi);
+ need_restart_ckpt = true;
+ } else {
err = f2fs_start_ckpt_thread(sbi);
if (err) {
f2fs_err(sbi,
err);
goto restore_gc;
}
- } else {
- f2fs_stop_ckpt_thread(sbi);
+ need_stop_ckpt = true;
}
/*
if ((*flags & SB_RDONLY) || !test_opt(sbi, FLUSH_MERGE)) {
clear_opt(sbi, FLUSH_MERGE);
f2fs_destroy_flush_cmd_control(sbi, false);
+ need_restart_flush = true;
} else {
err = f2fs_create_flush_cmd_control(sbi);
if (err)
- goto restore_gc;
+ goto restore_ckpt;
+ need_stop_flush = true;
}
+
+ if (checkpoint_changed) {
+ if (test_opt(sbi, DISABLE_CHECKPOINT)) {
+ err = f2fs_disable_checkpoint(sbi);
+ if (err)
+ goto restore_flush;
+ } else {
+ f2fs_enable_checkpoint(sbi);
+ }
+ }
+
skip:
#ifdef CONFIG_QUOTA
/* Release old quota file names */
adjust_unusable_cap_perc(sbi);
*flags = (*flags & ~SB_LAZYTIME) | (sb->s_flags & SB_LAZYTIME);
return 0;
+ restore_flush:
+ if (need_restart_flush) {
+ if (f2fs_create_flush_cmd_control(sbi))
+ f2fs_warn(sbi, "background flush thread has stopped");
+ } else if (need_stop_flush) {
+ clear_opt(sbi, FLUSH_MERGE);
+ f2fs_destroy_flush_cmd_control(sbi, false);
+ }
+ restore_ckpt:
+ if (need_restart_ckpt) {
+ if (f2fs_start_ckpt_thread(sbi))
+ f2fs_warn(sbi, "background ckpt thread has stopped");
+ } else if (need_stop_ckpt) {
+ f2fs_stop_ckpt_thread(sbi);
+ }
restore_gc:
if (need_restart_gc) {
if (f2fs_start_gc_thread(sbi))
sbi->iostat_period_ms = DEFAULT_IOSTAT_PERIOD_MS;
for (i = 0; i < NR_PAGE_TYPE; i++) {
- int n = (i == META) ? 1: NR_TEMP_TYPE;
+ int n = (i == META) ? 1 : NR_TEMP_TYPE;
int j;
sbi->write_io[i] =
/* setup checkpoint request control and start checkpoint issue thread */
f2fs_init_ckpt_req_control(sbi);
- if (!test_opt(sbi, DISABLE_CHECKPOINT) &&
+ if (!f2fs_readonly(sb) && !test_opt(sbi, DISABLE_CHECKPOINT) &&
test_opt(sbi, MERGE_CHECKPOINT)) {
err = f2fs_start_ckpt_thread(sbi);
if (err) {
* previous checkpoint was not done by clean system shutdown.
*/
if (f2fs_hw_is_readonly(sbi)) {
- if (!is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG))
- f2fs_err(sbi, "Need to recover fsync data, but write access unavailable");
- else
- f2fs_info(sbi, "write access unavailable, skipping recovery");
+ if (!is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) {
+ err = f2fs_recover_fsync_data(sbi, true);
+ if (err > 0) {
+ err = -EROFS;
+ f2fs_err(sbi, "Need to recover fsync data, but "
+ "write access unavailable, please try "
+ "mount w/ disable_roll_forward or norecovery");
+ }
+ if (err < 0)
+ goto free_meta;
+ }
+ f2fs_info(sbi, "write access unavailable, skipping recovery");
goto reset_checkpoint;
}
* If filesystem is not mounted as read-only then
* do start the gc_thread.
*/
- if (F2FS_OPTION(sbi).bggc_mode != BGGC_MODE_OFF && !f2fs_readonly(sb)) {
+ if ((F2FS_OPTION(sbi).bggc_mode != BGGC_MODE_OFF ||
+ test_opt(sbi, GC_MERGE)) && !f2fs_readonly(sb)) {
/* After POR, we can run background GC thread.*/
err = f2fs_start_gc_thread(sbi);
if (err)
size_t desc_size, u64 merkle_tree_size)
{
struct inode *inode = file_inode(filp);
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
u64 desc_pos = f2fs_verity_metadata_pos(inode) + merkle_tree_size;
struct fsverity_descriptor_location dloc = {
.version = cpu_to_le32(F2FS_VERIFY_VER),
.size = cpu_to_le32(desc_size),
.pos = cpu_to_le64(desc_pos),
};
- int err = 0;
+ int err = 0, err2 = 0;
- if (desc != NULL) {
- /* Succeeded; write the verity descriptor. */
- err = pagecache_write(inode, desc, desc_size, desc_pos);
+ /*
+ * If an error already occurred (which fs/verity/ signals by passing
+ * desc == NULL), then only clean-up is needed.
+ */
+ if (desc == NULL)
+ goto cleanup;
- /* Write all pages before clearing FI_VERITY_IN_PROGRESS. */
- if (!err)
- err = filemap_write_and_wait(inode->i_mapping);
- }
+ /* Append the verity descriptor. */
+ err = pagecache_write(inode, desc, desc_size, desc_pos);
+ if (err)
+ goto cleanup;
+
+ /*
+ * Write all pages (both data and verity metadata). Note that this must
+ * happen before clearing FI_VERITY_IN_PROGRESS; otherwise pages beyond
+ * i_size won't be written properly. For crash consistency, this also
+ * must happen before the verity inode flag gets persisted.
+ */
+ err = filemap_write_and_wait(inode->i_mapping);
+ if (err)
+ goto cleanup;
+
+ /* Set the verity xattr. */
+ err = f2fs_setxattr(inode, F2FS_XATTR_INDEX_VERITY,
+ F2FS_XATTR_NAME_VERITY, &dloc, sizeof(dloc),
+ NULL, XATTR_CREATE);
+ if (err)
+ goto cleanup;
- /* If we failed, truncate anything we wrote past i_size. */
- if (desc == NULL || err)
- f2fs_truncate(inode);
+ /* Finally, set the verity inode flag. */
+ file_set_verity(inode);
+ f2fs_set_inode_flags(inode);
+ f2fs_mark_inode_dirty_sync(inode, true);
clear_inode_flag(inode, FI_VERITY_IN_PROGRESS);
+ return 0;
- if (desc != NULL && !err) {
- err = f2fs_setxattr(inode, F2FS_XATTR_INDEX_VERITY,
- F2FS_XATTR_NAME_VERITY, &dloc, sizeof(dloc),
- NULL, XATTR_CREATE);
- if (!err) {
- file_set_verity(inode);
- f2fs_set_inode_flags(inode);
- f2fs_mark_inode_dirty_sync(inode, true);
- }
+ cleanup:
+ /*
+ * Verity failed to be enabled, so clean up by truncating any verity
+ * metadata that was written beyond i_size (both from cache and from
+ * disk) and clearing FI_VERITY_IN_PROGRESS.
+ *
+ * Taking i_gc_rwsem[WRITE] is needed to stop f2fs garbage collection
+ * from re-instantiating cached pages we are truncating (since unlike
+ * normal file accesses, garbage collection isn't limited by i_size).
+ */
+ down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+ truncate_inode_pages(inode->i_mapping, inode->i_size);
+ err2 = f2fs_truncate(inode);
+ if (err2) {
+ f2fs_err(sbi, "Truncating verity metadata failed (errno=%d)",
+ err2);
+ set_sbi_flag(sbi, SBI_NEED_FSCK);
}
- return err;
+ up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+ clear_inode_flag(inode, FI_VERITY_IN_PROGRESS);
+ return err ?: err2;
}
static int f2fs_get_verity_descriptor(struct inode *inode, void *buf,
pgoff_t index,
unsigned long num_ra_pages)
{
- DEFINE_READAHEAD(ractl, NULL, inode->i_mapping, index);
+ DEFINE_READAHEAD(ractl, NULL, NULL, inode->i_mapping, index);
struct page *page;
index += f2fs_verity_metadata_pos(inode) >> PAGE_SHIFT;