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authorSteve French <sfrench@us.ibm.com>2008-03-14 22:37:16 +0000
committerSteve French <sfrench@us.ibm.com>2008-03-14 22:37:16 +0000
commit8b1327f6ed957030a64ccdb17131955bfea2d3fe (patch)
tree075ff00b4c333ef333aff5927eac45bde16d8d53 /fs/cifs/dir.c
parentebe8912be214662c8289977fb416c1f015df4a0b (diff)
[CIFS] file create with acl support enabled is slow
Shirish Pargaonkar noted: With cifsacl mount option, when a file is created on the Windows server, exclusive oplock is broken right away because the get cifs acl code again opens the file to obtain security descriptor. The client does not have the newly created file handle or inode in any of its lists yet so it does not respond to oplock break and server waits for its duration and then responds to the second open. This slows down file creation signficantly. The fix is to pass the file descriptor to the get cifsacl code wherever available so that get cifs acl code does not send second open (NT Create ANDX) and oplock is not broken. CC: Shirish Pargaonkar <shirishp@us.ibm.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/dir.c')
-rw-r--r--fs/cifs/dir.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
index 4e83b47c4b3..0f5c62ba403 100644
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -229,7 +229,8 @@ cifs_create(struct inode *inode, struct dentry *direntry, int mode,
inode->i_sb, xid);
else {
rc = cifs_get_inode_info(&newinode, full_path,
- buf, inode->i_sb, xid);
+ buf, inode->i_sb, xid,
+ &fileHandle);
if (newinode) {
newinode->i_mode = mode;
if ((oplock & CIFS_CREATE_ACTION) &&
@@ -483,7 +484,7 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry,
parent_dir_inode->i_sb, xid);
else
rc = cifs_get_inode_info(&newInode, full_path, NULL,
- parent_dir_inode->i_sb, xid);
+ parent_dir_inode->i_sb, xid, NULL);
if ((rc == 0) && (newInode != NULL)) {
if (pTcon->nocase)