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| author | Christoph Hellwig <hch@lst.de> | 2011-07-23 17:37:31 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2011-07-25 14:30:23 -0400 |
| commit | 4e34e719e457f2e031297175410fc0bd4016a085 (patch) | |
| tree | ab969a371e0d2efc6bfbf503ca6cdfce3af3bf6c /fs/gfs2 | |
| parent | edde854e8bb34a7f32fa993d721f1da0faf64165 (diff) | |
| download | linux-3.10-4e34e719e457f2e031297175410fc0bd4016a085.tar.gz linux-3.10-4e34e719e457f2e031297175410fc0bd4016a085.tar.bz2 linux-3.10-4e34e719e457f2e031297175410fc0bd4016a085.zip | |
fs: take the ACL checks to common code
Replace the ->check_acl method with a ->get_acl method that simply reads an
ACL from disk after having a cache miss. This means we can replace the ACL
checking boilerplate code with a single implementation in namei.c.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/gfs2')
| -rw-r--r-- | fs/gfs2/acl.c | 25 | ||||
| -rw-r--r-- | fs/gfs2/acl.h | 2 | ||||
| -rw-r--r-- | fs/gfs2/inode.c | 6 |
3 files changed, 6 insertions, 27 deletions
diff --git a/fs/gfs2/acl.c b/fs/gfs2/acl.c index a2dd63c0c11..884c9af0542 100644 --- a/fs/gfs2/acl.c +++ b/fs/gfs2/acl.c @@ -67,30 +67,9 @@ static struct posix_acl *gfs2_acl_get(struct gfs2_inode *ip, int type) return acl; } -/** - * gfs2_check_acl - Check an ACL to see if we're allowed to do something - * @inode: the file we want to do something to - * @mask: what we want to do - * - * Returns: errno - */ - -int gfs2_check_acl(struct inode *inode, int mask) +struct posix_acl *gfs2_get_acl(struct inode *inode, int type) { - struct posix_acl *acl; - int error; - - acl = gfs2_acl_get(GFS2_I(inode), ACL_TYPE_ACCESS); - if (IS_ERR(acl)) - return PTR_ERR(acl); - - if (acl) { - error = posix_acl_permission(inode, acl, mask); - posix_acl_release(acl); - return error; - } - - return -EAGAIN; + return gfs2_acl_get(GFS2_I(inode), type); } static int gfs2_set_mode(struct inode *inode, mode_t mode) diff --git a/fs/gfs2/acl.h b/fs/gfs2/acl.h index b522b0cb39e..0da38dc7efe 100644 --- a/fs/gfs2/acl.h +++ b/fs/gfs2/acl.h @@ -16,7 +16,7 @@ #define GFS2_POSIX_ACL_DEFAULT "posix_acl_default" #define GFS2_ACL_MAX_ENTRIES 25 -extern int gfs2_check_acl(struct inode *inode, int mask); +extern struct posix_acl *gfs2_get_acl(struct inode *inode, int type); extern int gfs2_acl_create(struct gfs2_inode *dip, struct inode *inode); extern int gfs2_acl_chmod(struct gfs2_inode *ip, struct iattr *attr); extern const struct xattr_handler gfs2_xattr_system_handler; diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index 0fb51a96eff..900cf986aad 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -1846,7 +1846,7 @@ const struct inode_operations gfs2_file_iops = { .listxattr = gfs2_listxattr, .removexattr = gfs2_removexattr, .fiemap = gfs2_fiemap, - .check_acl = gfs2_check_acl, + .get_acl = gfs2_get_acl, }; const struct inode_operations gfs2_dir_iops = { @@ -1867,7 +1867,7 @@ const struct inode_operations gfs2_dir_iops = { .listxattr = gfs2_listxattr, .removexattr = gfs2_removexattr, .fiemap = gfs2_fiemap, - .check_acl = gfs2_check_acl, + .get_acl = gfs2_get_acl, }; const struct inode_operations gfs2_symlink_iops = { @@ -1882,6 +1882,6 @@ const struct inode_operations gfs2_symlink_iops = { .listxattr = gfs2_listxattr, .removexattr = gfs2_removexattr, .fiemap = gfs2_fiemap, - .check_acl = gfs2_check_acl, + .get_acl = gfs2_get_acl, }; |