From: trondmy@kernel.org
To: Anna Schumaker <anna.schumaker@netapp.com>
Cc: linux-nfs@vger.kernel.org
Subject: [PATCH 5/5] NFS: Fix the verifier for case sensitive filesystem in nfs_atomic_open()
Date: Fri, 17 Dec 2021 15:36:58 -0500 [thread overview]
Message-ID: <20211217203658.439352-6-trondmy@kernel.org> (raw)
In-Reply-To: <20211217203658.439352-5-trondmy@kernel.org>
From: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
---
fs/nfs/dir.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index a490704e10ed..9432820ce21c 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1888,6 +1888,7 @@ int nfs_atomic_open(struct inode *dir, struct dentry *dentry,
struct iattr attr = { .ia_valid = ATTR_OPEN };
struct inode *inode;
unsigned int lookup_flags = 0;
+ unsigned long dir_verifier;
bool switched = false;
int created = 0;
int err;
@@ -1961,7 +1962,11 @@ int nfs_atomic_open(struct inode *dir, struct dentry *dentry,
switch (err) {
case -ENOENT:
d_splice_alias(NULL, dentry);
- nfs_set_verifier(dentry, nfs_save_change_attribute(dir));
+ if (nfs_server_capable(dir, NFS_CAP_CASE_INSENSITIVE))
+ dir_verifier = inode_peek_iversion_raw(dir);
+ else
+ dir_verifier = nfs_save_change_attribute(dir);
+ nfs_set_verifier(dentry, dir_verifier);
break;
case -EISDIR:
case -ENOTDIR:
--
2.33.1
next prev parent reply other threads:[~2021-12-17 20:43 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-17 20:36 [PATCH 0/5] Support case insensitive filesystems in NFSv4 trondmy
2021-12-17 20:36 ` [PATCH 1/5] NFSv4: Add some support for case insensitive filesystems trondmy
2021-12-17 20:36 ` [PATCH 2/5] NFSv4: Just don't cache negative dentries on case insensitive servers trondmy
2021-12-17 20:36 ` [PATCH 3/5] NFS: Invalidate negative dentries on all case insensitive directory changes trondmy
2021-12-17 20:36 ` [PATCH 4/5] NFS: Add a helper to remove case-insensitive aliases trondmy
2021-12-17 20:36 ` trondmy [this message]
2022-01-03 20:08 ` [PATCH 0/5] Support case insensitive filesystems in NFSv4 J. Bruce Fields
2022-01-03 20:11 ` Trond Myklebust
2022-01-03 21:46 ` bfields
2022-01-03 22:13 ` Trond Myklebust
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