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f2fs: avoid unnecessary updating inode during fsync

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If roll-forward recovery can recover i_size, we don't need to update inode's
metadata during fsync.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim
2016-05-20 20:42:37 -07:00
parent ee6d182f2a
commit 26de9b1171
7 changed files with 43 additions and 6 deletions
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4
fs/f2fs/super.c
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@@ -613,6 +613,9 @@ static void f2fs_dirty_inode(struct inode *inode, int flags)
inode->i_ino == F2FS_META_INO(sbi))
return;
if (is_inode_flag_set(inode, FI_AUTO_RECOVER))
clear_inode_flag(inode, FI_AUTO_RECOVER);
spin_lock(&sbi->inode_lock[DIRTY_META]);
if (is_inode_flag_set(inode, FI_DIRTY_INODE)) {
spin_unlock(&sbi->inode_lock[DIRTY_META]);
@@ -638,6 +641,7 @@ void f2fs_inode_synced(struct inode *inode)
}
list_del_init(&F2FS_I(inode)->gdirty_list);
clear_inode_flag(inode, FI_DIRTY_INODE);
clear_inode_flag(inode, FI_AUTO_RECOVER);
dec_page_count(sbi, F2FS_DIRTY_IMETA);
spin_unlock(&sbi->inode_lock[DIRTY_META]);
stat_dec_dirty_inode(F2FS_I_SB(inode), DIRTY_META);