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Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6

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* 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
This commit is contained in:
Linus Torvalds 2009-12-31 15:17:26 -08:00
commit c03f6bfc9f
3 changed files with 14 additions and 6 deletions
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4
fs/cifs/CHANGES
View file

@ -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
-------------

3
fs/cifs/cifsfs.c
View file

@ -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,

13
fs/cifs/connect.c
View file

@ -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 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
cleanup_volume_info(&volume_info);
referral_walks_count++;
FreeXid(xid);
goto try_mount_again;
}
#else /* No DFS support, return error on mount */