If inode state is dirty, go straight to write.
Suggested-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
Signed-off-by: Changman Lee <cm224.lee@xxxxxxxxxxx>
---
fs/f2fs/file.c | 25 +++++++++++++++++++------
1 file changed, 19 insertions(+), 6 deletions(-)
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index b6f3fbf..0b97002 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -138,6 +138,17 @@ static inline bool need_do_checkpoint(struct inode *inode)
return need_cp;
}
+static bool need_inode_page_update(struct f2fs_sb_info *sbi, nid_t ino)
+{
+ struct page *i = find_get_page(NODE_MAPPING(sbi), ino);
+ bool ret = false;
+ /* But we need to avoid that there are some inode updates */
+ if ((i && PageDirty(i)) || need_inode_block_update(sbi, ino))
+ ret = true;
+ f2fs_put_page(i, 0);
+ return ret;
+}
+
int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
{
struct inode *inode = file->f_mapping->host;
@@ -168,19 +179,21 @@ int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
return ret;
}
+ /* if the inode is dirty, let's recover all the time */
+ if (!datasync && is_inode_flag_set(fi, FI_DIRTY_INODE)) {
+ update_inode_page(inode);
+ goto go_write;
+ }
+
/*
* if there is no written data, don't waste time to write recovery info.
*/
if (!is_inode_flag_set(fi, FI_APPEND_WRITE) &&
!exist_written_data(sbi, ino, APPEND_INO)) {
- struct page *i = find_get_page(NODE_MAPPING(sbi), ino);
- /* But we need to avoid that there are some inode updates */
- if ((i && PageDirty(i)) || need_inode_block_update(sbi, ino)) {
- f2fs_put_page(i, 0);
+ /* it may call write_inode just prior to fsync */
+ if (need_inode_page_update(sbi, ino))
goto go_write;
- }
- f2fs_put_page(i, 0);
if (is_inode_flag_set(fi, FI_UPDATE_WRITE) ||
exist_written_data(sbi, ino, UPDATE_INO))
--
1.9.1
--
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