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| author | David Howells <dhowells@redhat.com> | 2008-11-14 10:39:25 +1100 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2008-11-14 10:39:25 +1100 |
| commit | d76b0d9b2d87cfc95686e148767cbf7d0e22bdc0 (patch) | |
| tree | 1a2956614018d245facb256ffb8662568cdabcd4 /fs/file_table.c | |
| parent | 1d045980e1eff4800472f0e81df9460640c8eee9 (diff) | |
| download | linux-d76b0d9b2d87cfc95686e148767cbf7d0e22bdc0.tar.gz linux-d76b0d9b2d87cfc95686e148767cbf7d0e22bdc0.tar.bz2 linux-d76b0d9b2d87cfc95686e148767cbf7d0e22bdc0.zip | |
CRED: Use creds in file structs
Attach creds to file structs and discard f_uid/f_gid.
file_operations::open() methods (such as hppfs_open()) should use file->f_cred
rather than current_cred(). At the moment file->f_cred will be current_cred()
at this point.
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: James Morris <jmorris@namei.org>
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'fs/file_table.c')
| -rw-r--r-- | fs/file_table.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/file_table.c b/fs/file_table.c index bc4563fe791d..0fbcacc3ea75 100644 --- a/fs/file_table.c +++ b/fs/file_table.c @@ -36,7 +36,9 @@ static struct percpu_counter nr_files __cacheline_aligned_in_smp; static inline void file_free_rcu(struct rcu_head *head) { - struct file *f = container_of(head, struct file, f_u.fu_rcuhead); + struct file *f = container_of(head, struct file, f_u.fu_rcuhead); + + put_cred(f->f_cred); kmem_cache_free(filp_cachep, f); } @@ -121,8 +123,7 @@ struct file *get_empty_filp(void) INIT_LIST_HEAD(&f->f_u.fu_list); atomic_long_set(&f->f_count, 1); rwlock_init(&f->f_owner.lock); - f->f_uid = cred->fsuid; - f->f_gid = cred->fsgid; + f->f_cred = get_cred(cred); eventpoll_init_file(f); /* f->f_version: 0 */ return f; |