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authorPavel Shilovsky <piastryyy@gmail.com>2010-11-03 08:58:57 +0100
committerSteve French <sfrench@us.ibm.com>2010-11-05 18:39:01 +0100
commitc67236281c5d749741f5414103903a7c1b9c4636 (patch)
treeddc93fd5fcf47db18ce067309475a12a32b4c00c /fs
parentcifs: dereferencing first then checking (diff)
downloadlinux-c67236281c5d749741f5414103903a7c1b9c4636.tar.xz
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cifs: make cifs_set_oplock_level() take a cifsInodeInfo pointer
All the callers already have a pointer to struct cifsInodeInfo. Use it. Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/cifs/cifsfs.c3
-rw-r--r--fs/cifs/cifsproto.h2
-rw-r--r--fs/cifs/file.c8
-rw-r--r--fs/cifs/misc.c16
4 files changed, 15 insertions, 14 deletions
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 38526a6c4acf..9c3789762ab7 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -321,8 +321,7 @@ cifs_alloc_inode(struct super_block *sb)
/* Until the file is open and we have gotten oplock
info back from the server, can not assume caching of
file data or metadata */
- cifs_inode->clientCanCacheRead = false;
- cifs_inode->clientCanCacheAll = false;
+ cifs_set_oplock_level(cifs_inode, 0);
cifs_inode->delete_pending = false;
cifs_inode->invalid_mapping = false;
cifs_inode->vfs_inode.i_blkbits = 14; /* 2**14 = CIFS_MAX_MSGSIZE */
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index 7f050f4fc3d9..7ed69b6b5fe6 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -104,7 +104,7 @@ extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
extern u64 cifs_UnixTimeToNT(struct timespec);
extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
int offset);
-extern void cifs_set_oplock_level(struct inode *inode, __u32 oplock);
+extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
extern struct cifsFileInfo *cifs_new_fileinfo(__u16 fileHandle,
struct file *file, struct tcon_link *tlink,
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 777e7f42b5b1..06c3e83fa387 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -146,7 +146,7 @@ client_can_cache:
rc = cifs_get_inode_info(&inode, full_path, buf, inode->i_sb,
xid, NULL);
- cifs_set_oplock_level(inode, oplock);
+ cifs_set_oplock_level(pCifsInode, oplock);
return rc;
}
@@ -248,7 +248,7 @@ cifs_new_fileinfo(__u16 fileHandle, struct file *file,
list_add_tail(&pCifsFile->flist, &pCifsInode->openFileList);
spin_unlock(&cifs_file_list_lock);
- cifs_set_oplock_level(inode, oplock);
+ cifs_set_oplock_level(pCifsInode, oplock);
file->private_data = pCifsFile;
return pCifsFile;
@@ -279,7 +279,7 @@ void cifsFileInfo_put(struct cifsFileInfo *cifs_file)
if (list_empty(&cifsi->openFileList)) {
cFYI(1, "closing last open instance for inode %p",
cifs_file->dentry->d_inode);
- cifs_set_oplock_level(inode, 0);
+ cifs_set_oplock_level(cifsi, 0);
}
spin_unlock(&cifs_file_list_lock);
@@ -611,7 +611,7 @@ reopen_success:
we can not go to the server to get the new inod
info */
- cifs_set_oplock_level(inode, oplock);
+ cifs_set_oplock_level(pCifsInode, oplock);
cifs_relock_file(pCifsFile);
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index d3b9ddebc17e..43f10281bc19 100644
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -570,7 +570,7 @@ is_valid_oplock_break(struct smb_hdr *buf, struct TCP_Server_Info *srv)
cFYI(1, "file id match, oplock break");
pCifsInode = CIFS_I(netfile->dentry->d_inode);
- cifs_set_oplock_level(netfile->dentry->d_inode,
+ cifs_set_oplock_level(pCifsInode,
pSMB->OplockLevel);
/*
* cifs_oplock_break_put() can't be called
@@ -722,18 +722,20 @@ cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb)
}
}
-void cifs_set_oplock_level(struct inode *inode, __u32 oplock)
+void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock)
{
- struct cifsInodeInfo *cinode = CIFS_I(inode);
+ oplock &= 0xF;
- if ((oplock & 0xF) == OPLOCK_EXCLUSIVE) {
+ if (oplock == OPLOCK_EXCLUSIVE) {
cinode->clientCanCacheAll = true;
cinode->clientCanCacheRead = true;
- cFYI(1, "Exclusive Oplock granted on inode %p", inode);
- } else if ((oplock & 0xF) == OPLOCK_READ) {
+ cFYI(1, "Exclusive Oplock granted on inode %p",
+ &cinode->vfs_inode);
+ } else if (oplock == OPLOCK_READ) {
cinode->clientCanCacheAll = false;
cinode->clientCanCacheRead = true;
- cFYI(1, "Level II Oplock granted on inode %p", inode);
+ cFYI(1, "Level II Oplock granted on inode %p",
+ &cinode->vfs_inode);
} else {
cinode->clientCanCacheAll = false;
cinode->clientCanCacheRead = false;