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NFS: Fix the verifier for case sensitive filesystem in nfs_atomic_open()

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Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Trond Myklebust 2021-12-17 15:36:58 -05:00 • committed by Anna Schumaker
parent 00bdadc7ac
commit 68eaba4ca9
1 changed files with 6 additions and 1 deletions
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7
fs/nfs/dir.c
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@ -1888,6 +1888,7 @@ int nfs_atomic_open(struct inode *dir, struct dentry *dentry,
struct iattr attr = { .ia_valid = ATTR_OPEN }; struct iattr attr = { .ia_valid = ATTR_OPEN };
struct inode *inode; struct inode *inode;
unsigned int lookup_flags = 0; unsigned int lookup_flags = 0;
unsigned long dir_verifier;
bool switched = false; bool switched = false;
int created = 0; int created = 0;
int err; int err;
@ -1961,7 +1962,11 @@ int nfs_atomic_open(struct inode *dir, struct dentry *dentry,
switch (err) { switch (err) {
case -ENOENT: case -ENOENT:
d_splice_alias(NULL, dentry); 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; break;
case -EISDIR: case -EISDIR:
case -ENOTDIR: case -ENOTDIR: