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| author | Nick Piggin <npiggin@kernel.dk> | 2011-01-07 17:49:58 +1100 |
|---|---|---|
| committer | Nick Piggin <npiggin@kernel.dk> | 2011-01-07 17:50:29 +1100 |
| commit | b74c79e99389cd79b31fcc08f82c24e492e63c7e (patch) | |
| tree | 763c6b412517306670bc625e90035f2d16bb739f /fs/ext4 | |
| parent | 34286d6662308d82aed891852d04c7c3a2649b16 (diff) | |
| download | linux-b74c79e99389cd79b31fcc08f82c24e492e63c7e.tar.gz linux-b74c79e99389cd79b31fcc08f82c24e492e63c7e.tar.xz | |
fs: provide rcu-walk aware permission i_ops
Signed-off-by: Nick Piggin <npiggin@kernel.dk>
Diffstat (limited to 'fs/ext4')
| -rw-r--r-- | fs/ext4/acl.c | 8 | ||||
| -rw-r--r-- | fs/ext4/acl.h | 2 |
2 files changed, 7 insertions, 3 deletions
diff --git a/fs/ext4/acl.c b/fs/ext4/acl.c index 5e2ed4504ead..373dcaeedba9 100644 --- a/fs/ext4/acl.c +++ b/fs/ext4/acl.c @@ -238,10 +238,14 @@ ext4_set_acl(handle_t *handle, struct inode *inode, int type, } int -ext4_check_acl(struct inode *inode, int mask) +ext4_check_acl(struct inode *inode, int mask, unsigned int flags) { - struct posix_acl *acl = ext4_get_acl(inode, ACL_TYPE_ACCESS); + struct posix_acl *acl; + + if (flags & IPERM_FLAG_RCU) + return -ECHILD; + acl = ext4_get_acl(inode, ACL_TYPE_ACCESS); if (IS_ERR(acl)) return PTR_ERR(acl); if (acl) { diff --git a/fs/ext4/acl.h b/fs/ext4/acl.h index 9d843d5deac4..dec821168fd4 100644 --- a/fs/ext4/acl.h +++ b/fs/ext4/acl.h @@ -54,7 +54,7 @@ static inline int ext4_acl_count(size_t size) #ifdef CONFIG_EXT4_FS_POSIX_ACL /* acl.c */ -extern int ext4_check_acl(struct inode *, int); +extern int ext4_check_acl(struct inode *, int, unsigned int); extern int ext4_acl_chmod(struct inode *); extern int ext4_init_acl(handle_t *, struct inode *, struct inode *); |