Please consider to RK. -- Best regards,
Konstantin Khorenko, Virtuozzo Linux Kernel Team On 12/02/2016 05:35 PM, Konstantin Khorenko wrote:
The commit is pushed to "branch-rh7-3.10.0-327.36.1.vz7.20.x-ovz" and will appear at https://src.openvz.org/scm/ovz/vzkernel.git after rh7-3.10.0-327.36.1.vz7.20.9 ------> commit 2b39263eeee33196c731257c173f7be35d4bd8a4 Author: Maxim Patlasov <mpatla...@virtuozzo.com> Date: Fri Dec 2 18:34:57 2016 +0400 fuse: no mtime flush on fdatasync fuse_fsync_common() may skip fuse_flush_mtime() if datasync=1 because mtime is pure metadata and the content of file doesn't depend on it. https://jira.sw.ru/browse/PSBM-55919 Signed-off-by: Maxim Patlasov <mpatla...@virtuozzo.com> Acked-by: Dmitry Monakhov <dmonak...@openvz.org> --- fs/fuse/file.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/fuse/file.c b/fs/fuse/file.c index d11125f..52bca91 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -691,8 +691,8 @@ int fuse_fsync_common(struct file *file, loff_t start, loff_t end, if (err) goto out; - if (test_bit(FUSE_I_MTIME_UPDATED, - &get_fuse_inode(inode)->state)) { + if (!datasync && test_bit(FUSE_I_MTIME_UPDATED, + &get_fuse_inode(inode)->state)) { err = fuse_flush_mtime(file, false); if (err) goto out; .
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