[PATCH 03/10] coda: honor AT_STATX_DONT_SYNC

From	Miklos Szeredi <mszeredi@redhat.com>
Newsgroups	linux.kernel
Subject	[PATCH 03/10] coda: honor AT_STATX_DONT_SYNC
Date	2017-09-20 10:50 +0200
Message-ID	<urIRH-Bk-7@gated-at.bofh.it> (permalink)
References	<urIRH-Bk-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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The description of this flag says "Don't sync attributes with the server".
In other words: always use the attributes cached in the kernel and don't
send network or local messages to refresh the attributes.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Cc: Jan Harkes <jaharkes@cs.cmu.edu>
---
 fs/coda/inode.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/fs/coda/inode.c b/fs/coda/inode.c
index 6058df380cc0..734672b2cbdc 100644
--- a/fs/coda/inode.c
+++ b/fs/coda/inode.c
@@ -255,7 +255,10 @@ static void coda_evict_inode(struct inode *inode)
 int coda_getattr(const struct path *path, struct kstat *stat,
 		 u32 request_mask, unsigned int flags)
 {
-	int err = coda_revalidate_inode(d_inode(path->dentry));
+	int err = 0;
+
+	if (!(flags & AT_STATX_DONT_SYNC))
+		err = coda_revalidate_inode(d_inode(path->dentry));
 	if (!err)
 		generic_fillattr(d_inode(path->dentry), stat);
 	return err;
-- 
2.5.5

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[PATCH 03/10] coda: honor AT_STATX_DONT_SYNC Miklos Szeredi <mszeredi@redhat.com> - 2017-09-20 10:50 +0200
  Re: [PATCH 03/10] coda: honor AT_STATX_DONT_SYNC Jan Harkes <jaharkes@cs.cmu.edu> - 2017-09-20 22:40 +0200
    Re: [PATCH 03/10] coda: honor AT_STATX_DONT_SYNC Miklos Szeredi <mszeredi@redhat.com> - 2017-09-21 14:50 +0200

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