From f17c20dd2ec81e8ff328b81bc847da9429d0975b Mon Sep 17 00:00:00 2001 From: Junxiao Bi Date: Wed, 11 Sep 2013 14:19:45 -0700 Subject: [PATCH] ocfs2: use i_size_read() to access i_size Though ocfs2 uses inode->i_mutex to protect i_size, there are both i_size_read/write() and direct accesses. Clean up all direct access to eliminate confusion. Signed-off-by: Junxiao Bi Cc: Jie Liu Cc: Mark Fasheh Cc: Joel Becker Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/ocfs2/aops.c | 2 +- fs/ocfs2/extent_map.c | 10 +++++----- fs/ocfs2/ioctl.c | 2 +- fs/ocfs2/journal.c | 8 ++++---- fs/ocfs2/move_extents.c | 2 +- fs/ocfs2/quota_global.c | 6 +++--- fs/ocfs2/quota_local.c | 12 ++++++------ 7 files changed, 21 insertions(+), 21 deletions(-) diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 94417a8..f37d3c0 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -2044,7 +2044,7 @@ int ocfs2_write_end_nolock(struct address_space *mapping, out_write_size: pos += copied; - if (pos > inode->i_size) { + if (pos > i_size_read(inode)) { i_size_write(inode, pos); mark_inode_dirty(inode); } diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c index 2487116..4bf2b76 100644 --- a/fs/ocfs2/extent_map.c +++ b/fs/ocfs2/extent_map.c @@ -852,20 +852,20 @@ int ocfs2_seek_data_hole_offset(struct file *file, loff_t *offset, int whence) down_read(&OCFS2_I(inode)->ip_alloc_sem); - if (*offset >= inode->i_size) { + if (*offset >= i_size_read(inode)) { ret = -ENXIO; goto out_unlock; } if (OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL) { if (whence == SEEK_HOLE) - *offset = inode->i_size; + *offset = i_size_read(inode); goto out_unlock; } clen = 0; cpos = *offset >> cs_bits; - cend = ocfs2_clusters_for_bytes(inode->i_sb, inode->i_size); + cend = ocfs2_clusters_for_bytes(inode->i_sb, i_size_read(inode)); while (cpos < cend && !is_last) { ret = ocfs2_get_clusters_nocache(inode, di_bh, cpos, &hole_size, @@ -904,8 +904,8 @@ int ocfs2_seek_data_hole_offset(struct file *file, loff_t *offset, int whence) extlen = clen; extlen <<= cs_bits; - if ((extoff + extlen) > inode->i_size) - extlen = inode->i_size - extoff; + if ((extoff + extlen) > i_size_read(inode)) + extlen = i_size_read(inode) - extoff; extoff += extlen; if (extoff > *offset) *offset = extoff; diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c index 0c60ef2..fa32ce9 100644 --- a/fs/ocfs2/ioctl.c +++ b/fs/ocfs2/ioctl.c @@ -303,7 +303,7 @@ int ocfs2_info_handle_journal_size(struct inode *inode, if (o2info_from_user(oij, req)) goto bail; - oij.ij_journal_size = osb->journal->j_inode->i_size; + oij.ij_journal_size = i_size_read(osb->journal->j_inode); o2info_set_request_filled(&oij.ij_req); diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c index a126cb3..44fc3e5 100644 --- a/fs/ocfs2/journal.c +++ b/fs/ocfs2/journal.c @@ -836,14 +836,14 @@ int ocfs2_journal_init(struct ocfs2_journal *journal, int *dirty) inode_lock = 1; di = (struct ocfs2_dinode *)bh->b_data; - if (inode->i_size < OCFS2_MIN_JOURNAL_SIZE) { + if (i_size_read(inode) < OCFS2_MIN_JOURNAL_SIZE) { mlog(ML_ERROR, "Journal file size (%lld) is too small!\n", - inode->i_size); + i_size_read(inode)); status = -EINVAL; goto done; } - trace_ocfs2_journal_init(inode->i_size, + trace_ocfs2_journal_init(i_size_read(inode), (unsigned long long)inode->i_blocks, OCFS2_I(inode)->ip_clusters); @@ -1131,7 +1131,7 @@ static int ocfs2_force_read_journal(struct inode *inode) memset(bhs, 0, sizeof(struct buffer_head *) * CONCURRENT_JOURNAL_FILL); - num_blocks = ocfs2_blocks_for_bytes(inode->i_sb, inode->i_size); + num_blocks = ocfs2_blocks_for_bytes(inode->i_sb, i_size_read(inode)); v_blkno = 0; while (v_blkno < num_blocks) { status = ocfs2_extent_map_get_blocks(inode, v_blkno, diff --git a/fs/ocfs2/move_extents.c b/fs/ocfs2/move_extents.c index 452068b..4159285 100644 --- a/fs/ocfs2/move_extents.c +++ b/fs/ocfs2/move_extents.c @@ -845,7 +845,7 @@ static int __ocfs2_move_extents_range(struct buffer_head *di_bh, struct ocfs2_move_extents *range = context->range; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); - if ((inode->i_size == 0) || (range->me_len == 0)) + if ((i_size_read(inode) == 0) || (range->me_len == 0)) return 0; if (OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL) diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c index 332a281..aaa5061 100644 --- a/fs/ocfs2/quota_global.c +++ b/fs/ocfs2/quota_global.c @@ -234,7 +234,7 @@ ssize_t ocfs2_quota_write(struct super_block *sb, int type, len = sb->s_blocksize - OCFS2_QBLK_RESERVED_SPACE - offset; } - if (gqinode->i_size < off + len) { + if (i_size_read(gqinode) < off + len) { loff_t rounded_end = ocfs2_align_bytes_to_blocks(sb, off + len); @@ -778,8 +778,8 @@ static int ocfs2_acquire_dquot(struct dquot *dquot) */ WARN_ON(journal_current_handle()); status = ocfs2_extend_no_holes(gqinode, NULL, - gqinode->i_size + (need_alloc << sb->s_blocksize_bits), - gqinode->i_size); + i_size_read(gqinode) + (need_alloc << sb->s_blocksize_bits), + i_size_read(gqinode)); if (status < 0) goto out_dq; } diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c index 27fe7ee..2e4344b 100644 --- a/fs/ocfs2/quota_local.c +++ b/fs/ocfs2/quota_local.c @@ -982,14 +982,14 @@ static struct ocfs2_quota_chunk *ocfs2_local_quota_add_chunk( /* We are protected by dqio_sem so no locking needed */ status = ocfs2_extend_no_holes(lqinode, NULL, - lqinode->i_size + 2 * sb->s_blocksize, - lqinode->i_size); + i_size_read(lqinode) + 2 * sb->s_blocksize, + i_size_read(lqinode)); if (status < 0) { mlog_errno(status); goto out; } status = ocfs2_simple_size_update(lqinode, oinfo->dqi_lqi_bh, - lqinode->i_size + 2 * sb->s_blocksize); + i_size_read(lqinode) + 2 * sb->s_blocksize); if (status < 0) { mlog_errno(status); goto out; @@ -1125,14 +1125,14 @@ static struct ocfs2_quota_chunk *ocfs2_extend_local_quota_file( /* We are protected by dqio_sem so no locking needed */ status = ocfs2_extend_no_holes(lqinode, NULL, - lqinode->i_size + sb->s_blocksize, - lqinode->i_size); + i_size_read(lqinode) + sb->s_blocksize, + i_size_read(lqinode)); if (status < 0) { mlog_errno(status); goto out; } status = ocfs2_simple_size_update(lqinode, oinfo->dqi_lqi_bh, - lqinode->i_size + sb->s_blocksize); + i_size_read(lqinode) + sb->s_blocksize); if (status < 0) { mlog_errno(status); goto out; -- 2.7.4