On Fri 08-01-21 23:59:01, Eric Biggers wrote:
> From: Eric Biggers <[email protected]>
> 
> The I_DIRTY_TIME flag is primary used within the VFS, and there's no
> reason for ->fsync() implementations to do anything with it.  This is
> because when !datasync, the VFS will expire dirty timestamps before
> calling ->fsync().  (See vfs_fsync_range().)  This turns I_DIRTY_TIME
> into I_DIRTY_SYNC.
> 
> Therefore, change gfs2_fsync() to not check for I_DIRTY_TIME.
> 
> Reviewed-by: Christoph Hellwig <[email protected]>
> Signed-off-by: Eric Biggers <[email protected]>

Looks good to me. Feel free to add:

Reviewed-by: Jan Kara <[email protected]>

                                                                Honza

> ---
>  fs/gfs2/file.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
> index b39b339feddc9..7fe2497755a37 100644
> --- a/fs/gfs2/file.c
> +++ b/fs/gfs2/file.c
> @@ -749,7 +749,7 @@ static int gfs2_fsync(struct file *file, loff_t start, 
> loff_t end,
>  {
>       struct address_space *mapping = file->f_mapping;
>       struct inode *inode = mapping->host;
> -     int sync_state = inode->i_state & I_DIRTY_ALL;
> +     int sync_state = inode->i_state & I_DIRTY;
>       struct gfs2_inode *ip = GFS2_I(inode);
>       int ret = 0, ret1 = 0;
>  
> @@ -762,7 +762,7 @@ static int gfs2_fsync(struct file *file, loff_t start, 
> loff_t end,
>       if (!gfs2_is_jdata(ip))
>               sync_state &= ~I_DIRTY_PAGES;
>       if (datasync)
> -             sync_state &= ~(I_DIRTY_SYNC | I_DIRTY_TIME);
> +             sync_state &= ~I_DIRTY_SYNC;
>  
>       if (sync_state) {
>               ret = sync_inode_metadata(inode, 1);
> -- 
> 2.30.0
> 
-- 
Jan Kara <[email protected]>
SUSE Labs, CR


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