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authorLinus Torvalds <torvalds@linux-foundation.org>2010-03-14 11:11:08 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-14 11:11:08 -0700
commitceb804cd0f63b0e0a87b81913b66add6de03043d (patch)
tree179d3050a8ea5fe5b8406efec64b5c391499d4d4 /fs
parent3474cbd11df8cdd6413781ea95bd51dd469098ff (diff)
parentf78233dd44a110c574fe760ad6f9c1e8741a0d00 (diff)
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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs: 9p: Skip check for mandatory locks when unlocking 9p: Fixes a simple bug enabling writes beyond 2GB. 9p: Change the name of new protocol from 9p2010.L to 9p2000.L fs/9p: re-init the wstat in readdir loop net/9p: Add sysfs mount_tag file for virtio 9P device net/9p: Use the tag name in the config space for identifying mount point
Diffstat (limited to 'fs')
-rw-r--r--fs/9p/v9fs.h6
-rw-r--r--fs/9p/vfs_dir.c11
-rw-r--r--fs/9p/vfs_file.c4
3 files changed, 15 insertions, 6 deletions
diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h
index 79000bf62491..6b801d1ddf4b 100644
--- a/fs/9p/v9fs.h
+++ b/fs/9p/v9fs.h
@@ -24,7 +24,7 @@
/**
* enum p9_session_flags - option flags for each 9P session
* @V9FS_PROTO_2000U: whether or not to use 9P2000.u extensions
- * @V9FS_PROTO_2010L: whether or not to use 9P2010.l extensions
+ * @V9FS_PROTO_2000L: whether or not to use 9P2000.l extensions
* @V9FS_ACCESS_SINGLE: only the mounting user can access the hierarchy
* @V9FS_ACCESS_USER: a new attach will be issued for every user (default)
* @V9FS_ACCESS_ANY: use a single attach for all users
@@ -34,7 +34,7 @@
*/
enum p9_session_flags {
V9FS_PROTO_2000U = 0x01,
- V9FS_PROTO_2010L = 0x02,
+ V9FS_PROTO_2000L = 0x02,
V9FS_ACCESS_SINGLE = 0x04,
V9FS_ACCESS_USER = 0x08,
V9FS_ACCESS_ANY = 0x0C,
@@ -130,5 +130,5 @@ static inline int v9fs_proto_dotu(struct v9fs_session_info *v9ses)
static inline int v9fs_proto_dotl(struct v9fs_session_info *v9ses)
{
- return v9ses->flags & V9FS_PROTO_2010L;
+ return v9ses->flags & V9FS_PROTO_2000L;
}
diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c
index 6580aa449541..d8a3afe4ff72 100644
--- a/fs/9p/vfs_dir.c
+++ b/fs/9p/vfs_dir.c
@@ -76,6 +76,15 @@ static inline int dt_type(struct p9_wstat *mistat)
return rettype;
}
+static void p9stat_init(struct p9_wstat *stbuf)
+{
+ stbuf->name = NULL;
+ stbuf->uid = NULL;
+ stbuf->gid = NULL;
+ stbuf->muid = NULL;
+ stbuf->extension = NULL;
+}
+
/**
* v9fs_dir_readdir - read a directory
* @filp: opened file structure
@@ -131,8 +140,8 @@ static int v9fs_dir_readdir(struct file *filp, void *dirent, filldir_t filldir)
rdir->head = 0;
rdir->tail = err;
}
-
while (rdir->head < rdir->tail) {
+ p9stat_init(&st);
err = p9stat_read(rdir->buf + rdir->head,
buflen - rdir->head, &st,
fid->clnt->proto_version);
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 36122683fae8..df52d488d2a6 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -114,7 +114,7 @@ static int v9fs_file_lock(struct file *filp, int cmd, struct file_lock *fl)
P9_DPRINTK(P9_DEBUG_VFS, "filp: %p lock: %p\n", filp, fl);
/* No mandatory locks */
- if (__mandatory_lock(inode))
+ if (__mandatory_lock(inode) && fl->fl_type != F_UNLCK)
return -ENOLCK;
if ((IS_SETLK(cmd) || IS_SETLKW(cmd)) && fl->fl_type != F_UNLCK) {
@@ -215,7 +215,7 @@ v9fs_file_write(struct file *filp, const char __user * data,
struct p9_fid *fid;
struct p9_client *clnt;
struct inode *inode = filp->f_path.dentry->d_inode;
- int origin = *offset;
+ loff_t origin = *offset;
unsigned long pg_start, pg_end;
P9_DPRINTK(P9_DEBUG_VFS, "data %p count %d offset %x\n", data,