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authorJeff Mahoney <jeffm@suse.com>2009-03-30 14:02:39 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-03-30 12:16:38 -0700
commit0ab2621ebd9a28bf7a524ecd50d492a10579dfcc (patch)
tree62dda6de2fed116aff363190f95a58d56c690e3e /include/linux/reiserfs_acl.h
parent48b32a3553a54740d236b79a90f20147a25875e3 (diff)
downloadop-kernel-dev-0ab2621ebd9a28bf7a524ecd50d492a10579dfcc.zip
op-kernel-dev-0ab2621ebd9a28bf7a524ecd50d492a10579dfcc.tar.gz
reiserfs: journaled xattrs
Deadlocks are possible in the xattr code between the journal lock and the xattr sems. This patch implements journalling for xattr operations. The benefit is twofold: * It gets rid of the deadlock possibility by always ensuring that xattr write operations are initiated inside a transaction. * It corrects the problem where xattr backing files aren't considered any differently than normal files, despite the fact they are metadata. I discussed the added journal load with Chris Mason, and we decided that since xattrs (versus other journal activity) is fairly rare, the introduction of larger transactions to support journaled xattrs wouldn't be too big a deal. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/reiserfs_acl.h')
-rw-r--r--include/linux/reiserfs_acl.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/reiserfs_acl.h b/include/linux/reiserfs_acl.h
index d180446..52240e0 100644
--- a/include/linux/reiserfs_acl.h
+++ b/include/linux/reiserfs_acl.h
@@ -49,7 +49,8 @@ static inline int reiserfs_acl_count(size_t size)
#ifdef CONFIG_REISERFS_FS_POSIX_ACL
struct posix_acl *reiserfs_get_acl(struct inode *inode, int type);
int reiserfs_acl_chmod(struct inode *inode);
-int reiserfs_inherit_default_acl(struct inode *dir, struct dentry *dentry,
+int reiserfs_inherit_default_acl(struct reiserfs_transaction_handle *th,
+ struct inode *dir, struct dentry *dentry,
struct inode *inode);
int reiserfs_cache_default_acl(struct inode *dir);
extern struct xattr_handler reiserfs_posix_acl_default_handler;
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