cifs: do not ignore the SYNC flags in getattr

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Check the AT_STATX_FORCE_SYNC flag and force an attribute
revalidation if requested by the caller, and if the caller
specificies AT_STATX_DONT_SYNC only revalidate cached attributes
if required.  In addition do not flush writes in getattr (which
can be expensive) if size or timestamps not requested by the
caller.

Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

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Steve French 2020-02-18 18:07:57 -06:00

parent 16fbf79b0f

commit ffdec8d642

1 changed files with 17 additions and 5 deletions

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fs/cifs/inode.c

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