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OpenCloudOS-Kernel
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[CIFS] Fix lease break for writes 

On lease break we were breaking to readonly leases always
even if write requested.  Also removed experimental
ifdef around setlease code

Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Steve French 2010-04-27 04:38:15 +00:00
parent 9bf67e516f
commit d54ff73259
3 changed files with 3 additions and 17 deletions
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12
fs/cifs/cifsfs.c
View File

@ -645,7 +645,6 @@ static loff_t cifs_llseek(struct file *file, loff_t offset, int origin)
return generic_file_llseek_unlocked(file, offset, origin);
}
#ifdef CONFIG_CIFS_EXPERIMENTAL
static int cifs_setlease(struct file *file, long arg, struct file_lock **lease)
{
/* note that this is called by vfs setlease with the BKL held
@ -674,7 +673,6 @@ static int cifs_setlease(struct file *file, long arg, struct file_lock **lease)
else
return -EAGAIN;
}
#endif
struct file_system_type cifs_fs_type = {
.owner = THIS_MODULE,
@ -751,10 +749,7 @@ const struct file_operations cifs_file_ops = {
#ifdef CONFIG_CIFS_POSIX
.unlocked_ioctl = cifs_ioctl,
#endif /* CONFIG_CIFS_POSIX */
#ifdef CONFIG_CIFS_EXPERIMENTAL
.setlease = cifs_setlease,
#endif /* CONFIG_CIFS_EXPERIMENTAL */
};
const struct file_operations cifs_file_direct_ops = {
@ -773,9 +768,7 @@ const struct file_operations cifs_file_direct_ops = {
.unlocked_ioctl = cifs_ioctl,
#endif /* CONFIG_CIFS_POSIX */
.llseek = cifs_llseek,
#ifdef CONFIG_CIFS_EXPERIMENTAL
.setlease = cifs_setlease,
#endif /* CONFIG_CIFS_EXPERIMENTAL */
};
const struct file_operations cifs_file_nobrl_ops = {
.read = do_sync_read,
@ -792,10 +785,7 @@ const struct file_operations cifs_file_nobrl_ops = {
#ifdef CONFIG_CIFS_POSIX
.unlocked_ioctl = cifs_ioctl,
#endif /* CONFIG_CIFS_POSIX */
#ifdef CONFIG_CIFS_EXPERIMENTAL
.setlease = cifs_setlease,
#endif /* CONFIG_CIFS_EXPERIMENTAL */
};
const struct file_operations cifs_file_direct_nobrl_ops = {
@ -813,9 +803,7 @@ const struct file_operations cifs_file_direct_nobrl_ops = {
.unlocked_ioctl = cifs_ioctl,
#endif /* CONFIG_CIFS_POSIX */
.llseek = cifs_llseek,
#ifdef CONFIG_CIFS_EXPERIMENTAL
.setlease = cifs_setlease,
#endif /* CONFIG_CIFS_EXPERIMENTAL */
};
const struct file_operations cifs_dir_ops = {

2
fs/cifs/cifsfs.h
View File

@ -114,5 +114,5 @@ extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg);
extern const struct export_operations cifs_export_ops;
#endif /* EXPERIMENTAL */
#define CIFS_VERSION "1.63"
#define CIFS_VERSION "1.64"
#endif /* _CIFSFS_H */

6
fs/cifs/file.c
View File

@ -2306,12 +2306,10 @@ cifs_oplock_break(struct slow_work *work)
int rc, waitrc = 0;
if (inode && S_ISREG(inode->i_mode)) {
#ifdef CONFIG_CIFS_EXPERIMENTAL
if (cinode->clientCanCacheAll == 0)
if (cinode->clientCanCacheRead)
break_lease(inode, O_RDONLY);
else if (cinode->clientCanCacheRead == 0)
else
break_lease(inode, O_WRONLY);
#endif
rc = filemap_fdatawrite(inode->i_mapping);
if (cinode->clientCanCacheRead == 0) {
waitrc = filemap_fdatawait(inode->i_mapping);