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Get "no acls for this inode" right, fix shmem breakage 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
wifi-calibration
Al Viro 2009-06-24 16:58:48 -04:00
parent 641cf4a668
commit 72c04902d1
4 changed files with 13 additions and 10 deletions
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6
fs/btrfs/inode.c
View File

@ -2122,10 +2122,8 @@ static void btrfs_read_locked_inode(struct inode *inode)
* any xattrs or acls
*/
maybe_acls = acls_after_inode_item(leaf, path->slots[0], inode->i_ino);
if (!maybe_acls) {
inode->i_acl = NULL;
inode->i_default_acl = NULL;
}
if (!maybe_acls)
cache_no_acl(inode);
BTRFS_I(inode)->block_group = btrfs_find_block_group(root, 0,
alloc_group_block, 0);

3
fs/jffs2/acl.c
View File

@ -284,8 +284,7 @@ int jffs2_init_acl_pre(struct inode *dir_i, struct inode *inode, int *i_mode)
struct posix_acl *acl, *clone;
int rc;
inode->i_default_acl = NULL;
inode->i_acl = NULL;
cache_no_acl(inode);
if (S_ISLNK(*i_mode))
return 0; /* Symlink always has no-ACL */

9
include/linux/posix_acl.h
View File

@ -148,4 +148,13 @@ static inline void forget_cached_acl(struct inode *inode, int type)
posix_acl_release(old);
}
#endif
static inline void cache_no_acl(struct inode *inode)
{
#ifdef CONFIG_FS_POSIX_ACL
inode->i_acl = NULL;
inode->i_default_acl = NULL;
#endif
}
#endif /* __LINUX_POSIX_ACL_H */

5
mm/shmem.c
View File

@ -1558,6 +1558,7 @@ static struct inode *shmem_get_inode(struct super_block *sb, int mode,
spin_lock_init(&info->lock);
info->flags = flags & VM_NORESERVE;
INIT_LIST_HEAD(&info->swaplist);
cache_no_acl(inode);
switch (mode & S_IFMT) {
default:
@ -2379,10 +2380,6 @@ static struct inode *shmem_alloc_inode(struct super_block *sb)
p = (struct shmem_inode_info *)kmem_cache_alloc(shmem_inode_cachep, GFP_KERNEL);
if (!p)
return NULL;
#ifdef CONFIG_TMPFS_POSIX_ACL
p->vfs_inode.i_acl = NULL;
p->vfs_inode.i_default_acl = NULL;
#endif
return &p->vfs_inode;
}