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[CIFS] Enable mmap on forcedirectio mounts 

openoffice and gedit failed with 'direct' options

Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Steve French 2009-12-07 05:44:46 +00:00
parent a2934c7b36
commit a994b8fa66
2 changed files with 5 additions and 2 deletions
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4
fs/cifs/CHANGES
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@ -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,