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author | Jeff Layton <jlayton@redhat.com> | 2011-01-07 16:30:27 (GMT) |
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committer | Steve French <sfrench@us.ibm.com> | 2011-01-09 23:43:00 (GMT) |
commit | 20054bd65703f7504a9daceabc2a060828fde36c (patch) | |
tree | a15151a2d3a1d8abe1c72701ceb3e9f7051fe6ea /fs/cifs/cifsglob.h | |
parent | d44a9fe2c8af3fee8edb203e9b11e507851c50fa (diff) | |
download | linux-fsl-qoriq-20054bd65703f7504a9daceabc2a060828fde36c.tar.xz |
cifs: use CreationTime like an i_generation field
Reduce false inode collisions by using the CreationTime like an
i_generation field. This way, even if the server ends up reusing
a uniqueid after a delete/create cycle, we can avoid matching
the inode incorrectly.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/cifsglob.h')
-rw-r--r-- | fs/cifs/cifsglob.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index e6590e6..606ca8b 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -453,6 +453,7 @@ struct cifsInodeInfo { bool invalid_mapping:1; /* pagecache is invalid */ u64 server_eof; /* current file size on server */ u64 uniqueid; /* server inode number */ + u64 createtime; /* creation time on server */ #ifdef CONFIG_CIFS_FSCACHE struct fscache_cookie *fscache; #endif @@ -573,6 +574,7 @@ struct cifs_fattr { u64 cf_uniqueid; u64 cf_eof; u64 cf_bytes; + u64 cf_createtime; uid_t cf_uid; gid_t cf_gid; umode_t cf_mode; |