f2fs-tools: support project quota
authorChao Yu <yuchao0@huawei.com>
Wed, 26 Jul 2017 14:54:18 +0000 (22:54 +0800)
committerJaegeuk Kim <jaegeuk@kernel.org>
Wed, 26 Jul 2017 18:42:56 +0000 (11:42 -0700)
This patch introduce a new option 'project_quota' for enabling project
quota functionality during mkfs.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
fsck/mount.c
include/f2fs_fs.h
mkfs/f2fs_format.c
mkfs/f2fs_format_main.c

index f41709e..0453f64 100644 (file)
@@ -90,6 +90,7 @@ void print_inode_info(struct f2fs_inode *inode, int name)
 
        DISP_u16(inode, i_extra_isize);
        DISP_u16(inode, i_padding);
+       DISP_u32(inode, i_projid);
 
        DISP_u32(inode, i_addr[ofs]);           /* Pointers to data blocks */
        DISP_u32(inode, i_addr[ofs + 1]);       /* Pointers to data blocks */
@@ -287,6 +288,9 @@ void print_sb_state(struct f2fs_super_block *sb)
        if (f & cpu_to_le32(F2FS_FEATURE_EXTRA_ATTR)) {
                MSG(0, "%s", " extra attribute");
        }
+       if (f & cpu_to_le32(F2FS_FEATURE_PRJQUOTA)) {
+               MSG(0, "%s", " project quota");
+       }
        MSG(0, "\n");
        MSG(0, "Info: superblock encrypt level = %d, salt = ",
                                        sb->encryption_level);
index 1499da7..380bc2a 100644 (file)
@@ -472,6 +472,7 @@ enum {
 #define F2FS_FEATURE_BLKZONED          0x0002
 #define F2FS_FEATURE_ATOMIC_WRITE      0x0004
 #define F2FS_FEATURE_EXTRA_ATTR                0x0008
+#define F2FS_FEATURE_PRJQUOTA          0x0010
 
 #define MAX_VOLUME_NAME                512
 
@@ -624,6 +625,8 @@ struct f2fs_extent {
        (offsetof(struct f2fs_inode, i_extra_end) -     \
        offsetof(struct f2fs_inode, i_extra_isize))     \
 
+#define        F2FS_DEF_PROJID         0       /* default project ID */
+
 #define MAX_INLINE_DATA(node) (sizeof(__le32) *                                \
                                (DEF_ADDRS_PER_INODE_INLINE_XATTR -     \
                                get_extra_isize(node) -                 \
@@ -679,6 +682,7 @@ struct f2fs_inode {
                struct {
                        __le16 i_extra_isize;   /* extra inode attribute size */
                        __le16 i_padding;       /* padding */
+                       __le32 i_projid;        /* project id */
                        __le32 i_extra_end[0];  /* for attribute size calculation */
                };
                __le32 i_addr[DEF_ADDRS_PER_INODE];     /* Pointers to data blocks */
index 0f8a810..8e068e9 100644 (file)
@@ -929,6 +929,9 @@ static int f2fs_write_root_inode(void)
                                cpu_to_le16(F2FS_TOTAL_EXTRA_ATTR_SIZE);
        }
 
+       if (c.feature & cpu_to_le32(F2FS_FEATURE_PRJQUOTA))
+               raw_node->i.i_projid = cpu_to_le32(F2FS_DEF_PROJID);
+
        data_blk_nor = get_sb(main_blkaddr) +
                c.cur_seg[CURSEG_HOT_DATA] * c.blks_per_seg;
        raw_node->i.i_addr[get_extra_isize(raw_node)] = cpu_to_le32(data_blk_nor);
index 1a75a6f..39e8e3f 100644 (file)
@@ -82,6 +82,8 @@ static void parse_feature(const char *features)
                c.feature |= cpu_to_le32(F2FS_FEATURE_ENCRYPT);
        } else if (!strcmp(features, "extra_attr")) {
                c.feature |= cpu_to_le32(F2FS_FEATURE_EXTRA_ATTR);
+       } else if (!strcmp(features, "project_quota")) {
+               c.feature |= cpu_to_le32(F2FS_FEATURE_PRJQUOTA);
        } else {
                MSG(0, "Error: Wrong features\n");
                mkfs_usage();
@@ -161,6 +163,14 @@ static void f2fs_parse_options(int argc, char *argv[])
                }
        }
 
+       if (!(c.feature & cpu_to_le32(F2FS_FEATURE_EXTRA_ATTR))) {
+               if (c.feature & cpu_to_le32(F2FS_FEATURE_PRJQUOTA)) {
+                       MSG(0, "\tInfo: project quota feature should always been"
+                               "enabled with extra attr feature\n");
+                       exit(1);
+               }
+       }
+
        if (optind >= argc) {
                MSG(0, "\tError: Device not specified\n");
                mkfs_usage();