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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-31 15:17:26 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-31 15:17:26 -0800
commitc03f6bfc9f4fbeee14abef81ece67e39150a1ab1 (patch)
tree37ed426d9868b216f61c53ed34a00ef5988de1cc /fs/cifs
parentb7bfb2a7a9296871a5e45c35a2cdc6a174995aa7 (diff)
parenta994b8fa669f16c50728328c3735722a3f20652e (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: [CIFS] Enable mmap on forcedirectio mounts cifs: NULL out tcon, pSesInfo, and srvTcp pointers when chasing DFS referrals
Diffstat (limited to 'fs/cifs')
-rw-r--r--fs/cifs/CHANGES4
-rw-r--r--fs/cifs/cifsfs.c3
-rw-r--r--fs/cifs/connect.c13
3 files changed, 14 insertions, 6 deletions
diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES
index 094ea65afc8..7b2600b380d 100644
--- a/fs/cifs/CHANGES
+++ b/fs/cifs/CHANGES
@@ -5,7 +5,9 @@ have duplicated data). Fix oops in cifs_lookup. Workaround problem
mounting to OS/400 Netserve. Fix oops in cifs_get_tcp_session.
Disable use of server inode numbers when server only
partially supports them (e.g. for one server querying inode numbers on
-FindFirst fails but QPathInfo queries works).
+FindFirst fails but QPathInfo queries works). Fix oops with dfs in
+cifs_put_smb_ses. Fix mmap to work on directio mounts (needed
+for OpenOffice when on forcedirectio mount e.g.)
Version 1.60
-------------
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 29f1da761bb..8c6a0362717 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -758,7 +758,7 @@ const struct file_operations cifs_file_ops = {
};
const struct file_operations cifs_file_direct_ops = {
- /* no mmap, no aio, no readv -
+ /* no aio, no readv -
BB reevaluate whether they can be done with directio, no cache */
.read = cifs_user_read,
.write = cifs_user_write,
@@ -767,6 +767,7 @@ const struct file_operations cifs_file_direct_ops = {
.lock = cifs_lock,
.fsync = cifs_fsync,
.flush = cifs_flush,
+ .mmap = cifs_file_mmap,
.splice_read = generic_file_splice_read,
#ifdef CONFIG_CIFS_POSIX
.unlocked_ioctl = cifs_ioctl,
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 63ea83ff687..3bbcaa716b3 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -2287,12 +2287,12 @@ int
cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
char *mount_data_global, const char *devname)
{
- int rc = 0;
+ int rc;
int xid;
struct smb_vol *volume_info;
- struct cifsSesInfo *pSesInfo = NULL;
- struct cifsTconInfo *tcon = NULL;
- struct TCP_Server_Info *srvTcp = NULL;
+ struct cifsSesInfo *pSesInfo;
+ struct cifsTconInfo *tcon;
+ struct TCP_Server_Info *srvTcp;
char *full_path;
char *mount_data = mount_data_global;
#ifdef CONFIG_CIFS_DFS_UPCALL
@@ -2301,6 +2301,10 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
int referral_walks_count = 0;
try_mount_again:
#endif
+ rc = 0;
+ tcon = NULL;
+ pSesInfo = NULL;
+ srvTcp = NULL;
full_path = NULL;
xid = GetXid();
@@ -2597,6 +2601,7 @@ remote_path_check:
cleanup_volume_info(&volume_info);
referral_walks_count++;
+ FreeXid(xid);
goto try_mount_again;
}
#else /* No DFS support, return error on mount */