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| author |   Christoph Hellwig <hch@infradead.org> | 2013-12-20 05:16:38 -0800 |
|---|---|---|
| committer |   Al Viro <viro@zeniv.linux.org.uk> | 2014-01-25 23:58:16 -0500 |
| commit | 2982baa2ae31eb23ce29b688ab2f77eb019062f3 (patch) | |
| tree | 6c4046b236c983f2a8bdc3a760edb71de01fa33e /fs/namei.c | |
| parent | fs: merge xattr_acl.c into posix_acl.c (diff) | |
| download | linux-dev-2982baa2ae31eb23ce29b688ab2f77eb019062f3.tar.xz linux-dev-2982baa2ae31eb23ce29b688ab2f77eb019062f3.zip | |
fs: add get_acl helper
Factor out the code to get an ACL either from the inode or disk from
check_acl, so that it can be used elsewhere later on.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/namei.c')
| -rw-r--r-- | fs/namei.c | 24 |
1 files changed, 3 insertions, 21 deletions
diff --git a/fs/namei.c b/fs/namei.c index 3531deebad30..bcb838e2e52f 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -235,27 +235,9 @@ static int check_acl(struct inode *inode, int mask) return posix_acl_permission(inode, acl, mask & ~MAY_NOT_BLOCK); } - acl = get_cached_acl(inode, ACL_TYPE_ACCESS); - - /* - * A filesystem can force a ACL callback by just never filling the - * ACL cache. But normally you'd fill the cache either at inode - * instantiation time, or on the first ->get_acl call. - * - * If the filesystem doesn't have a get_acl() function at all, we'll - * just create the negative cache entry. - */ - if (acl == ACL_NOT_CACHED) { - if (inode->i_op->get_acl) { - acl = inode->i_op->get_acl(inode, ACL_TYPE_ACCESS); - if (IS_ERR(acl)) - return PTR_ERR(acl); - } else { - set_cached_acl(inode, ACL_TYPE_ACCESS, NULL); - return -EAGAIN; - } - } - + acl = get_acl(inode, ACL_TYPE_ACCESS); + if (IS_ERR(acl)) + return PTR_ERR(acl); if (acl) { int error = posix_acl_permission(inode, acl, mask); posix_acl_release(acl); |