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authorPekka Enberg <penberg@kernel.org>2012-01-11 20:11:29 +0100
committerPekka Enberg <penberg@kernel.org>2012-01-11 20:11:29 +0100
commit5878cf431ca7233a56819ca6970153ac0b129599 (patch)
treee5d21d04a0b468d2dabbe3a3824f23b5537fc6a7 /fs/ocfs2/dlmglue.c
parentslub: disallow changing cpu_partial from userspace for debug caches (diff)
parentslub: add missed accounting (diff)
downloadlinux-5878cf431ca7233a56819ca6970153ac0b129599.tar.xz
linux-5878cf431ca7233a56819ca6970153ac0b129599.zip
Merge branch 'slab/urgent' into slab/for-linus
Diffstat (limited to 'fs/ocfs2/dlmglue.c')
-rw-r--r--fs/ocfs2/dlmglue.c21
1 files changed, 15 insertions, 6 deletions
diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
index e1ed5e502ff2..81a4cd22f80b 100644
--- a/fs/ocfs2/dlmglue.c
+++ b/fs/ocfs2/dlmglue.c
@@ -1692,7 +1692,7 @@ int ocfs2_open_lock(struct inode *inode)
mlog(0, "inode %llu take PRMODE open lock\n",
(unsigned long long)OCFS2_I(inode)->ip_blkno);
- if (ocfs2_mount_local(osb))
+ if (ocfs2_is_hard_readonly(osb) || ocfs2_mount_local(osb))
goto out;
lockres = &OCFS2_I(inode)->ip_open_lockres;
@@ -1718,6 +1718,12 @@ int ocfs2_try_open_lock(struct inode *inode, int write)
(unsigned long long)OCFS2_I(inode)->ip_blkno,
write ? "EXMODE" : "PRMODE");
+ if (ocfs2_is_hard_readonly(osb)) {
+ if (write)
+ status = -EROFS;
+ goto out;
+ }
+
if (ocfs2_mount_local(osb))
goto out;
@@ -2298,7 +2304,7 @@ int ocfs2_inode_lock_full_nested(struct inode *inode,
if (ocfs2_is_hard_readonly(osb)) {
if (ex)
status = -EROFS;
- goto bail;
+ goto getbh;
}
if (ocfs2_mount_local(osb))
@@ -2356,7 +2362,7 @@ local:
mlog_errno(status);
goto bail;
}
-
+getbh:
if (ret_bh) {
status = ocfs2_assign_bh(inode, ret_bh, local_bh);
if (status < 0) {
@@ -2628,8 +2634,11 @@ int ocfs2_dentry_lock(struct dentry *dentry, int ex)
BUG_ON(!dl);
- if (ocfs2_is_hard_readonly(osb))
- return -EROFS;
+ if (ocfs2_is_hard_readonly(osb)) {
+ if (ex)
+ return -EROFS;
+ return 0;
+ }
if (ocfs2_mount_local(osb))
return 0;
@@ -2647,7 +2656,7 @@ void ocfs2_dentry_unlock(struct dentry *dentry, int ex)
struct ocfs2_dentry_lock *dl = dentry->d_fsdata;
struct ocfs2_super *osb = OCFS2_SB(dentry->d_sb);
- if (!ocfs2_mount_local(osb))
+ if (!ocfs2_is_hard_readonly(osb) && !ocfs2_mount_local(osb))
ocfs2_cluster_unlock(osb, &dl->dl_lockres, level);
}