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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6

Browse Source 
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:
  xfs: Fix build breakage in xfs_iops.c when CONFIG_FS_POSIX_ACL is not set
  VFS: Reorganise shrink_dcache_for_umount_subtree() after demise of dcache_lock
  VFS: Remove dentry->d_lock locking from shrink_dcache_for_umount_subtree()
  VFS: Remove detached-dentry counter from shrink_dcache_for_umount_subtree()
  switch posix_acl_chmod() to umode_t
  switch posix_acl_from_mode() to umode_t
  switch posix_acl_equiv_mode() to umode_t *
  switch posix_acl_create() to umode_t *
  block: initialise bd_super in bdget()
  vfs: avoid call to inode_lru_list_del() if possible
  vfs: avoid taking inode_hash_lock on pipes and sockets
  vfs: conditionally call inode_wb_list_del()
  VFS: Fix automount for negative autofs dentries
  Btrfs: load the key from the dir item in readdir into a fake dentry
  devtmpfs: missing initialialization in never-hit case
  hppfs: missing include
This commit is contained in:
Linus Torvalds 2011-08-01 13:48:31 -10:00
commit 1b8e94993c
31 changed files with 161 additions and 150 deletions
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2
drivers/base/devtmpfs.c
View File

@ -166,7 +166,7 @@ static int create_path(const char *nodepath)
{
char *path;
char *s;
int err;
int err = 0;
/* parent directories do not exist, create them */
path = kstrdup(nodepath, GFP_KERNEL);

6
fs/9p/acl.c
View File

@ -182,11 +182,11 @@ int v9fs_set_create_acl(struct dentry *dentry,
return 0;
}
int v9fs_acl_mode(struct inode *dir, mode_t *modep,
int v9fs_acl_mode(struct inode *dir, umode_t *modep,
struct posix_acl **dpacl, struct posix_acl **pacl)
{
int retval = 0;
mode_t mode = *modep;
umode_t mode = *modep;
struct posix_acl *acl = NULL;
if (!S_ISLNK(mode)) {
@ -319,7 +319,7 @@ static int v9fs_xattr_set_acl(struct dentry *dentry, const char *name,
case ACL_TYPE_ACCESS:
name = POSIX_ACL_XATTR_ACCESS;
if (acl) {
mode_t mode = inode->i_mode;
umode_t mode = inode->i_mode;
retval = posix_acl_equiv_mode(acl, &mode);
if (retval < 0)
goto err_out;

4
fs/9p/acl.h
View File

@ -20,7 +20,7 @@ extern struct posix_acl *v9fs_iop_get_acl(struct inode *inode, int type);
extern int v9fs_acl_chmod(struct dentry *);
extern int v9fs_set_create_acl(struct dentry *,
struct posix_acl **, struct posix_acl **);
extern int v9fs_acl_mode(struct inode *dir, mode_t *modep,
extern int v9fs_acl_mode(struct inode *dir, umode_t *modep,
struct posix_acl **dpacl, struct posix_acl **pacl);
#else
#define v9fs_iop_get_acl NULL
@ -38,7 +38,7 @@ static inline int v9fs_set_create_acl(struct dentry *dentry,
{
return 0;
}
static inline int v9fs_acl_mode(struct inode *dir, mode_t *modep,
static inline int v9fs_acl_mode(struct inode *dir, umode_t *modep,
struct posix_acl **dpacl,
struct posix_acl **pacl)
{

6
fs/9p/vfs_inode_dotl.c
View File

@ -206,7 +206,7 @@ v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, int omode,
int err = 0;
gid_t gid;
int flags;
mode_t mode;
umode_t mode;
char *name = NULL;
struct file *filp;
struct p9_qid qid;
@ -348,7 +348,7 @@ static int v9fs_vfs_mkdir_dotl(struct inode *dir,
struct p9_fid *fid = NULL, *dfid = NULL;
gid_t gid;
char *name;
mode_t mode;
umode_t mode;
struct inode *inode;
struct p9_qid qid;
struct dentry *dir_dentry;
@ -751,7 +751,7 @@ v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, int omode,
int err;
gid_t gid;
char *name;
mode_t mode;
umode_t mode;
struct v9fs_session_info *v9ses;
struct p9_fid *fid = NULL, *dfid = NULL;
struct inode *inode;

1
fs/block_dev.c
View File

@ -552,6 +552,7 @@ struct block_device *bdget(dev_t dev)
if (inode->i_state & I_NEW) {
bdev->bd_contains = NULL;
bdev->bd_super = NULL;
bdev->bd_inode = inode;
bdev->bd_block_size = (1 << inode->i_blkbits);
bdev->bd_part_count = 0;

10
fs/btrfs/acl.c
View File

@ -111,7 +111,6 @@ static int btrfs_set_acl(struct btrfs_trans_handle *trans,
int ret, size = 0;
const char *name;
char *value = NULL;
mode_t mode;
if (acl) {
ret = posix_acl_valid(acl);
@ -122,13 +121,11 @@ static int btrfs_set_acl(struct btrfs_trans_handle *trans,
switch (type) {
case ACL_TYPE_ACCESS:
mode = inode->i_mode;
name = POSIX_ACL_XATTR_ACCESS;
if (acl) {
ret = posix_acl_equiv_mode(acl, &mode);
ret = posix_acl_equiv_mode(acl, &inode->i_mode);
if (ret < 0)
return ret;
inode->i_mode = mode;
}
ret = 0;
break;
@ -222,19 +219,16 @@ int btrfs_init_acl(struct btrfs_trans_handle *trans,
}
if (IS_POSIXACL(dir) && acl) {
mode_t mode = inode->i_mode;
if (S_ISDIR(inode->i_mode)) {
ret = btrfs_set_acl(trans, inode, acl,
ACL_TYPE_DEFAULT);
if (ret)
goto failed;
}
ret = posix_acl_create(&acl, GFP_NOFS, &mode);
ret = posix_acl_create(&acl, GFP_NOFS, &inode->i_mode);
if (ret < 0)
return ret;
inode->i_mode = mode;
if (ret > 0) {
/* we need an acl */
ret = btrfs_set_acl(trans, inode, acl, ACL_TYPE_ACCESS);

47
fs/btrfs/inode.c
View File

@ -3993,12 +3993,19 @@ struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry)
struct btrfs_root *sub_root = root;
struct btrfs_key location;
int index;
int ret;
int ret = 0;
if (dentry->d_name.len > BTRFS_NAME_LEN)
return ERR_PTR(-ENAMETOOLONG);
ret = btrfs_inode_by_name(dir, dentry, &location);
if (unlikely(d_need_lookup(dentry))) {
memcpy(&location, dentry->d_fsdata, sizeof(struct btrfs_key));
kfree(dentry->d_fsdata);
dentry->d_fsdata = NULL;
d_clear_need_lookup(dentry);
} else {
ret = btrfs_inode_by_name(dir, dentry, &location);
}
if (ret < 0)
return ERR_PTR(ret);
@ -4053,6 +4060,12 @@ static int btrfs_dentry_delete(const struct dentry *dentry)
return 0;
}
static void btrfs_dentry_release(struct dentry *dentry)
{
if (dentry->d_fsdata)
kfree(dentry->d_fsdata);
}
static struct dentry *btrfs_lookup(struct inode *dir, struct dentry *dentry,
struct nameidata *nd)
{
@ -4075,6 +4088,7 @@ static int btrfs_real_readdir(struct file *filp, void *dirent,
struct btrfs_path *path;
struct list_head ins_list;
struct list_head del_list;
struct qstr q;
int ret;
struct extent_buffer *leaf;
int slot;
@ -4164,6 +4178,7 @@ static int btrfs_real_readdir(struct file *filp, void *dirent,
while (di_cur < di_total) {
struct btrfs_key location;
struct dentry *tmp;
if (verify_dir_item(root, leaf, di))
break;
@ -4184,6 +4199,33 @@ static int btrfs_real_readdir(struct file *filp, void *dirent,
d_type = btrfs_filetype_table[btrfs_dir_type(leaf, di)];
btrfs_dir_item_key_to_cpu(leaf, di, &location);
q.name = name_ptr;
q.len = name_len;
q.hash = full_name_hash(q.name, q.len);
tmp = d_lookup(filp->f_dentry, &q);
if (!tmp) {
struct btrfs_key *newkey;
newkey = kzalloc(sizeof(struct btrfs_key),
GFP_NOFS);
if (!newkey)
goto no_dentry;
tmp = d_alloc(filp->f_dentry, &q);
if (!tmp) {
kfree(newkey);
dput(tmp);
goto no_dentry;
}
memcpy(newkey, &location,
sizeof(struct btrfs_key));
tmp->d_fsdata = newkey;
tmp->d_flags |= DCACHE_NEED_LOOKUP;
d_rehash(tmp);
dput(tmp);
} else {
dput(tmp);
}
no_dentry:
/* is this a reference to our own snapshot? If so
* skip it
*/
@ -7430,4 +7472,5 @@ static const struct inode_operations btrfs_symlink_inode_operations = {
const struct dentry_operations btrfs_dentry_operations = {
.d_delete = btrfs_dentry_delete,
.d_release = btrfs_dentry_release,
};

69
fs/dcache.c
View File

@ -301,6 +301,27 @@ static struct dentry *d_kill(struct dentry *dentry, struct dentry *parent)
return parent;
}
/*
* Unhash a dentry without inserting an RCU walk barrier or checking that
* dentry->d_lock is locked. The caller must take care of that, if
* appropriate.
*/
static void __d_shrink(struct dentry *dentry)
{
if (!d_unhashed(dentry)) {
struct hlist_bl_head *b;
if (unlikely(dentry->d_flags & DCACHE_DISCONNECTED))
b = &dentry->d_sb->s_anon;
else
b = d_hash(dentry->d_parent, dentry->d_name.hash);
hlist_bl_lock(b);
__hlist_bl_del(&dentry->d_hash);
dentry->d_hash.pprev = NULL;
hlist_bl_unlock(b);
}
}
/**
* d_drop - drop a dentry
* @dentry: dentry to drop
@ -319,17 +340,7 @@ static struct dentry *d_kill(struct dentry *dentry, struct dentry *parent)
void __d_drop(struct dentry *dentry)
{
if (!d_unhashed(dentry)) {
struct hlist_bl_head *b;
if (unlikely(dentry->d_flags & DCACHE_DISCONNECTED))
b = &dentry->d_sb->s_anon;
else
b = d_hash(dentry->d_parent, dentry->d_name.hash);
hlist_bl_lock(b);
__hlist_bl_del(&dentry->d_hash);
dentry->d_hash.pprev = NULL;
hlist_bl_unlock(b);
__d_shrink(dentry);
dentry_rcuwalk_barrier(dentry);
}
}
@ -828,44 +839,24 @@ EXPORT_SYMBOL(shrink_dcache_sb);
static void shrink_dcache_for_umount_subtree(struct dentry *dentry)
{
struct dentry *parent;
unsigned detached = 0;
BUG_ON(!IS_ROOT(dentry));
/* detach this root from the system */
spin_lock(&dentry->d_lock);
dentry_lru_del(dentry);
__d_drop(dentry);
spin_unlock(&dentry->d_lock);
for (;;) {
/* descend to the first leaf in the current subtree */
while (!list_empty(&dentry->d_subdirs)) {
struct dentry *loop;
/* this is a branch with children - detach all of them
* from the system in one go */
spin_lock(&dentry->d_lock);
list_for_each_entry(loop, &dentry->d_subdirs,
d_u.d_child) {
spin_lock_nested(&loop->d_lock,
DENTRY_D_LOCK_NESTED);
dentry_lru_del(loop);
__d_drop(loop);
spin_unlock(&loop->d_lock);
}
spin_unlock(&dentry->d_lock);
/* move to the first child */
while (!list_empty(&dentry->d_subdirs))
dentry = list_entry(dentry->d_subdirs.next,
struct dentry, d_u.d_child);
}
/* consume the dentries from this leaf up through its parents
* until we find one with children or run out altogether */
do {
struct inode *inode;
/* detach from the system */
dentry_lru_del(dentry);
__d_shrink(dentry);
if (dentry->d_count != 0) {
printk(KERN_ERR
"BUG: Dentry %p{i=%lx,n=%s}"
@ -886,14 +877,10 @@ static void shrink_dcache_for_umount_subtree(struct dentry *dentry)
list_del(&dentry->d_u.d_child);
} else {
parent = dentry->d_parent;
spin_lock(&parent->d_lock);
parent->d_count--;
list_del(&dentry->d_u.d_child);
spin_unlock(&parent->d_lock);
}
detached++;
inode = dentry->d_inode;
if (inode) {
dentry->d_inode = NULL;
@ -938,9 +925,7 @@ void shrink_dcache_for_umount(struct super_block *sb)
dentry = sb->s_root;
sb->s_root = NULL;
spin_lock(&dentry->d_lock);
dentry->d_count--;
spin_unlock(&dentry->d_lock);
shrink_dcache_for_umount_subtree(dentry);
while (!hlist_bl_empty(&sb->s_anon)) {

8
fs/ext2/acl.c
View File

@ -194,12 +194,10 @@ ext2_set_acl(struct inode *inode, int type, struct posix_acl *acl)
case ACL_TYPE_ACCESS:
name_index = EXT2_XATTR_INDEX_POSIX_ACL_ACCESS;
if (acl) {
mode_t mode = inode->i_mode;
error = posix_acl_equiv_mode(acl, &mode);
error = posix_acl_equiv_mode(acl, &inode->i_mode);
if (error < 0)
return error;
else {
inode->i_mode = mode;
inode->i_ctime = CURRENT_TIME_SEC;
mark_inode_dirty(inode);
if (error == 0)
@ -253,16 +251,14 @@ ext2_init_acl(struct inode *inode, struct inode *dir)
inode->i_mode &= ~current_umask();
}
if (test_opt(inode->i_sb, POSIX_ACL) && acl) {
mode_t mode = inode->i_mode;
if (S_ISDIR(inode->i_mode)) {
error = ext2_set_acl(inode, ACL_TYPE_DEFAULT, acl);
if (error)
goto cleanup;
}
error = posix_acl_create(&acl, GFP_KERNEL, &mode);
error = posix_acl_create(&acl, GFP_KERNEL, &inode->i_mode);
if (error < 0)
return error;
inode->i_mode = mode;
if (error > 0) {
/* This is an extended ACL */
error = ext2_set_acl(inode, ACL_TYPE_ACCESS, acl);

9
fs/ext3/acl.c
View File

@ -199,12 +199,10 @@ ext3_set_acl(handle_t *handle, struct inode *inode, int type,
case ACL_TYPE_ACCESS:
name_index = EXT3_XATTR_INDEX_POSIX_ACL_ACCESS;
if (acl) {
mode_t mode = inode->i_mode;
error = posix_acl_equiv_mode(acl, &mode);
error = posix_acl_equiv_mode(acl, &inode->i_mode);
if (error < 0)
return error;
else {
inode->i_mode = mode;
inode->i_ctime = CURRENT_TIME_SEC;
ext3_mark_inode_dirty(handle, inode);
if (error == 0)
@ -261,19 +259,16 @@ ext3_init_acl(handle_t *handle, struct inode *inode, struct inode *dir)
inode->i_mode &= ~current_umask();
}
if (test_opt(inode->i_sb, POSIX_ACL) && acl) {
mode_t mode = inode->i_mode;
if (S_ISDIR(inode->i_mode)) {
error = ext3_set_acl(handle, inode,
ACL_TYPE_DEFAULT, acl);
if (error)
goto cleanup;
}
error = posix_acl_create(&acl, GFP_NOFS, &mode);
error = posix_acl_create(&acl, GFP_NOFS, &inode->i_mode);
if (error < 0)
return error;
inode->i_mode = mode;
if (error > 0) {
/* This is an extended ACL */
error = ext3_set_acl(handle, inode, ACL_TYPE_ACCESS, acl);

9
fs/ext4/acl.c
View File

@ -198,12 +198,10 @@ ext4_set_acl(handle_t *handle, struct inode *inode, int type,
case ACL_TYPE_ACCESS:
name_index = EXT4_XATTR_INDEX_POSIX_ACL_ACCESS;
if (acl) {
mode_t mode = inode->i_mode;
error = posix_acl_equiv_mode(acl, &mode);
error = posix_acl_equiv_mode(acl, &inode->i_mode);
if (error < 0)
return error;
else {
inode->i_mode = mode;
inode->i_ctime = ext4_current_time(inode);
ext4_mark_inode_dirty(handle, inode);
if (error == 0)
@ -259,19 +257,16 @@ ext4_init_acl(handle_t *handle, struct inode *inode, struct inode *dir)
inode->i_mode &= ~current_umask();
}
if (test_opt(inode->i_sb, POSIX_ACL) && acl) {
mode_t mode = inode->i_mode;
if (S_ISDIR(inode->i_mode)) {
error = ext4_set_acl(handle, inode,
ACL_TYPE_DEFAULT, acl);
if (error)
goto cleanup;
}
error = posix_acl_create(&acl, GFP_NOFS, &mode);
error = posix_acl_create(&acl, GFP_NOFS, &inode->i_mode);
if (error < 0)
return error;
inode->i_mode = mode;
if (error > 0) {
/* This is an extended ACL */
error = ext4_set_acl(handle, inode, ACL_TYPE_ACCESS, acl);

13
fs/generic_acl.c
View File

@ -82,18 +82,14 @@ generic_acl_set(struct dentry *dentry, const char *name, const void *value,
return PTR_ERR(acl);
}
if (acl) {
mode_t mode;
error = posix_acl_valid(acl);
if (error)
goto failed;
switch (type) {
case ACL_TYPE_ACCESS:
mode = inode->i_mode;
error = posix_acl_equiv_mode(acl, &mode);
error = posix_acl_equiv_mode(acl, &inode->i_mode);
if (error < 0)
goto failed;
inode->i_mode = mode;
inode->i_ctime = CURRENT_TIME;
if (error == 0) {
posix_acl_release(acl);
@ -125,21 +121,20 @@ int
generic_acl_init(struct inode *inode, struct inode *dir)
{
struct posix_acl *acl = NULL;
mode_t mode = inode->i_mode;
int error;
inode->i_mode = mode & ~current_umask();
if (!S_ISLNK(inode->i_mode))
acl = get_cached_acl(dir, ACL_TYPE_DEFAULT);
if (acl) {
if (S_ISDIR(inode->i_mode))
set_cached_acl(inode, ACL_TYPE_DEFAULT, acl);
error = posix_acl_create(&acl, GFP_KERNEL, &mode);
error = posix_acl_create(&acl, GFP_KERNEL, &inode->i_mode);
if (error < 0)
return error;
inode->i_mode = mode;
if (error > 0)
set_cached_acl(inode, ACL_TYPE_ACCESS, acl);
} else {
inode->i_mode &= ~current_umask();
}
error = 0;

6
fs/gfs2/acl.c
View File

@ -72,7 +72,7 @@ struct posix_acl *gfs2_get_acl(struct inode *inode, int type)
return gfs2_acl_get(GFS2_I(inode), type);
}
static int gfs2_set_mode(struct inode *inode, mode_t mode)
static int gfs2_set_mode(struct inode *inode, umode_t mode)
{
int error = 0;
@ -117,7 +117,7 @@ int gfs2_acl_create(struct gfs2_inode *dip, struct inode *inode)
{
struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);
struct posix_acl *acl;
mode_t mode = inode->i_mode;
umode_t mode = inode->i_mode;
int error = 0;
if (!sdp->sd_args.ar_posix_acl)
@ -276,7 +276,7 @@ static int gfs2_xattr_system_set(struct dentry *dentry, const char *name,
goto out_release;
if (type == ACL_TYPE_ACCESS) {
mode_t mode = inode->i_mode;
umode_t mode = inode->i_mode;
error = posix_acl_equiv_mode(acl, &mode);
if (error <= 0) {

1
fs/hppfs/hppfs.c
View File

@ -16,6 +16,7 @@
#include <linux/statfs.h>
#include <linux/types.h>
#include <linux/pid_namespace.h>
#include <linux/namei.h>
#include <asm/uaccess.h>
#include "os.h"

13
fs/inode.c
View File

@ -399,12 +399,12 @@ void __insert_inode_hash(struct inode *inode, unsigned long hashval)
EXPORT_SYMBOL(__insert_inode_hash);
/**
* remove_inode_hash - remove an inode from the hash
* __remove_inode_hash - remove an inode from the hash
* @inode: inode to unhash
*
* Remove an inode from the superblock.
*/
void remove_inode_hash(struct inode *inode)
void __remove_inode_hash(struct inode *inode)
{
spin_lock(&inode_hash_lock);
spin_lock(&inode->i_lock);
@ -412,7 +412,7 @@ void remove_inode_hash(struct inode *inode)
spin_unlock(&inode->i_lock);
spin_unlock(&inode_hash_lock);
}
EXPORT_SYMBOL(remove_inode_hash);
EXPORT_SYMBOL(__remove_inode_hash);
void end_writeback(struct inode *inode)
{
@ -454,7 +454,9 @@ static void evict(struct inode *inode)
BUG_ON(!(inode->i_state & I_FREEING));
BUG_ON(!list_empty(&inode->i_lru));
inode_wb_list_del(inode);
if (!list_empty(&inode->i_wb_list))
inode_wb_list_del(inode);
inode_sb_list_del(inode);
if (op->evict_inode) {
@ -1328,7 +1330,8 @@ static void iput_final(struct inode *inode)
}
inode->i_state |= I_FREEING;
inode_lru_list_del(inode);
if (!list_empty(&inode->i_lru))
inode_lru_list_del(inode);
spin_unlock(&inode->i_lock);
evict(inode);

4
fs/jffs2/acl.c
View File

@ -227,7 +227,7 @@ static int jffs2_set_acl(struct inode *inode, int type, struct posix_acl *acl)
case ACL_TYPE_ACCESS:
xprefix = JFFS2_XPREFIX_ACL_ACCESS;
if (acl) {
mode_t mode = inode->i_mode;
umode_t mode = inode->i_mode;
rc = posix_acl_equiv_mode(acl, &mode);
if (rc < 0)
return rc;
@ -259,7 +259,7 @@ static int jffs2_set_acl(struct inode *inode, int type, struct posix_acl *acl)
return rc;
}
int jffs2_init_acl_pre(struct inode *dir_i, struct inode *inode, mode_t *i_mode)
int jffs2_init_acl_pre(struct inode *dir_i, struct inode *inode, umode_t *i_mode)
{
struct posix_acl *acl;
int rc;

2
fs/jffs2/acl.h
View File

@ -28,7 +28,7 @@ struct jffs2_acl_header {
struct posix_acl *jffs2_get_acl(struct inode *inode, int type);
extern int jffs2_acl_chmod(struct inode *);
extern int jffs2_init_acl_pre(struct inode *, struct inode *, mode_t *);
extern int jffs2_init_acl_pre(struct inode *, struct inode *, umode_t *);
extern int jffs2_init_acl_post(struct inode *);
extern const struct xattr_handler jffs2_acl_access_xattr_handler;

2
fs/jffs2/fs.c
View File

@ -406,7 +406,7 @@ int jffs2_remount_fs (struct super_block *sb, int *flags, char *data)
/* jffs2_new_inode: allocate a new inode and inocache, add it to the hash,
fill in the raw_inode while you're at it. */
struct inode *jffs2_new_inode (struct inode *dir_i, mode_t mode, struct jffs2_raw_inode *ri)
struct inode *jffs2_new_inode (struct inode *dir_i, umode_t mode, struct jffs2_raw_inode *ri)
{
struct inode *inode;
struct super_block *sb = dir_i->i_sb;

2
fs/jffs2/os-linux.h
View File

@ -173,7 +173,7 @@ int jffs2_do_setattr (struct inode *, struct iattr *);
struct inode *jffs2_iget(struct super_block *, unsigned long);
void jffs2_evict_inode (struct inode *);
void jffs2_dirty_inode(struct inode *inode, int flags);
struct inode *jffs2_new_inode (struct inode *dir_i, mode_t mode,
struct inode *jffs2_new_inode (struct inode *dir_i, umode_t mode,
struct jffs2_raw_inode *ri);
int jffs2_statfs (struct dentry *, struct kstatfs *);
int jffs2_remount_fs (struct super_block *, int *, char *);

4
fs/jfs/acl.c
View File

@ -127,16 +127,14 @@ int jfs_init_acl(tid_t tid, struct inode *inode, struct inode *dir)
return PTR_ERR(acl);
if (acl) {
mode_t mode = inode->i_mode;
if (S_ISDIR(inode->i_mode)) {
rc = jfs_set_acl(tid, inode, ACL_TYPE_DEFAULT, acl);
if (rc)
goto cleanup;
}
rc = posix_acl_create(&acl, GFP_KERNEL, &mode);
rc = posix_acl_create(&acl, GFP_KERNEL, &inode->i_mode);
if (rc < 0)
goto cleanup; /* posix_acl_release(NULL) is no-op */
inode->i_mode = mode;
if (rc > 0)
rc = jfs_set_acl(tid, inode, ACL_TYPE_ACCESS, acl);
cleanup:

4
fs/jfs/xattr.c
View File

@ -693,8 +693,7 @@ static int can_set_system_xattr(struct inode *inode, const char *name,
return rc;
}
if (acl) {
mode_t mode = inode->i_mode;
rc = posix_acl_equiv_mode(acl, &mode);
rc = posix_acl_equiv_mode(acl, &inode->i_mode);
posix_acl_release(acl);
if (rc < 0) {
printk(KERN_ERR
@ -702,7 +701,6 @@ static int can_set_system_xattr(struct inode *inode, const char *name,
rc);
return rc;
}
inode->i_mode = mode;
mark_inode_dirty(inode);
}
/*

24
fs/namei.c
View File

@ -716,19 +716,25 @@ static int follow_automount(struct path *path, unsigned flags,
if ((flags & LOOKUP_NO_AUTOMOUNT) && !(flags & LOOKUP_PARENT))
return -EISDIR; /* we actually want to stop here */
/* We want to mount if someone is trying to open/create a file of any
* type under the mountpoint, wants to traverse through the mountpoint
* or wants to open the mounted directory.
*
/*
* We don't want to mount if someone's just doing a stat and they've
* set AT_SYMLINK_NOFOLLOW - unless they're stat'ing a directory and
* appended a '/' to the name.
*/
if (!(flags & LOOKUP_FOLLOW) &&
!(flags & (LOOKUP_PARENT | LOOKUP_DIRECTORY |
LOOKUP_OPEN | LOOKUP_CREATE)))
return -EISDIR;
if (!(flags & LOOKUP_FOLLOW)) {
/* We do, however, want to mount if someone wants to open or
* create a file of any type under the mountpoint, wants to
* traverse through the mountpoint or wants to open the mounted
* directory.
* Also, autofs may mark negative dentries as being automount
* points. These will need the attentions of the daemon to
* instantiate them before they can be used.
*/
if (!(flags & (LOOKUP_PARENT | LOOKUP_DIRECTORY |
LOOKUP_OPEN | LOOKUP_CREATE)) &&
path->dentry->d_inode)
return -EISDIR;
}
current->total_link_count++;
if (current->total_link_count >= 40)
return -ELOOP;

2
fs/nfs/nfs3acl.c
View File

@ -415,7 +415,7 @@ fail:
}
int nfs3_proc_set_default_acl(struct inode *dir, struct inode *inode,
mode_t mode)
umode_t mode)
{
struct posix_acl *dfacl, *acl;
int error = 0;

6
fs/nfs/nfs3proc.c
View File

@ -316,7 +316,7 @@ nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
int flags, struct nfs_open_context *ctx)
{
struct nfs3_createdata *data;
mode_t mode = sattr->ia_mode;
umode_t mode = sattr->ia_mode;
int status = -ENOMEM;
dprintk("NFS call create %s\n", dentry->d_name.name);
@ -562,7 +562,7 @@ static int
nfs3_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr)
{
struct nfs3_createdata *data;
int mode = sattr->ia_mode;
umode_t mode = sattr->ia_mode;
int status = -ENOMEM;
dprintk("NFS call mkdir %s\n", dentry->d_name.name);
@ -681,7 +681,7 @@ nfs3_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
dev_t rdev)
{
struct nfs3_createdata *data;
mode_t mode = sattr->ia_mode;
umode_t mode = sattr->ia_mode;
int status = -ENOMEM;
dprintk("NFS call mknod %s %u:%u\n", dentry->d_name.name,

4
fs/ocfs2/acl.c
View File

@ -247,7 +247,7 @@ static int ocfs2_set_acl(handle_t *handle,
case ACL_TYPE_ACCESS:
name_index = OCFS2_XATTR_INDEX_POSIX_ACL_ACCESS;
if (acl) {
mode_t mode = inode->i_mode;
umode_t mode = inode->i_mode;
ret = posix_acl_equiv_mode(acl, &mode);
if (ret < 0)
return ret;
@ -351,7 +351,7 @@ int ocfs2_init_acl(handle_t *handle,
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
struct posix_acl *acl = NULL;
int ret = 0, ret2;
mode_t mode;
umode_t mode;
if (!S_ISLNK(inode->i_mode)) {
if (osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL) {

16
fs/posix_acl.c
View File

@ -149,10 +149,10 @@ posix_acl_valid(const struct posix_acl *acl)
* file mode permission bits, or else 1. Returns -E... on error.
*/
int
posix_acl_equiv_mode(const struct posix_acl *acl, mode_t *mode_p)
posix_acl_equiv_mode(const struct posix_acl *acl, umode_t *mode_p)
{
const struct posix_acl_entry *pa, *pe;
mode_t mode = 0;
umode_t mode = 0;
int not_equiv = 0;
FOREACH_ACL_ENTRY(pa, acl, pe) {
@ -188,7 +188,7 @@ posix_acl_equiv_mode(const struct posix_acl *acl, mode_t *mode_p)
* Create an ACL representing the file mode permission bits of an inode.
*/
struct posix_acl *
posix_acl_from_mode(mode_t mode, gfp_t flags)
posix_acl_from_mode(umode_t mode, gfp_t flags)
{
struct posix_acl *acl = posix_acl_alloc(3, flags);
if (!acl)
@ -279,11 +279,11 @@ check_perm:
* system calls. All permissions that are not granted by the acl are removed.
* The permissions in the acl are changed to reflect the mode_p parameter.
*/
static int posix_acl_create_masq(struct posix_acl *acl, mode_t *mode_p)
static int posix_acl_create_masq(struct posix_acl *acl, umode_t *mode_p)
{
struct posix_acl_entry *pa, *pe;
struct posix_acl_entry *group_obj = NULL, *mask_obj = NULL;
mode_t mode = *mode_p;
umode_t mode = *mode_p;
int not_equiv = 0;
/* assert(atomic_read(acl->a_refcount) == 1); */
@ -336,7 +336,7 @@ static int posix_acl_create_masq(struct posix_acl *acl, mode_t *mode_p)
/*
* Modify the ACL for the chmod syscall.
*/
static int posix_acl_chmod_masq(struct posix_acl *acl, mode_t mode)
static int posix_acl_chmod_masq(struct posix_acl *acl, umode_t mode)
{
struct posix_acl_entry *group_obj = NULL, *mask_obj = NULL;
struct posix_acl_entry *pa, *pe;
@ -382,7 +382,7 @@ static int posix_acl_chmod_masq(struct posix_acl *acl, mode_t mode)
}
int
posix_acl_create(struct posix_acl **acl, gfp_t gfp, mode_t *mode_p)
posix_acl_create(struct posix_acl **acl, gfp_t gfp, umode_t *mode_p)
{
struct posix_acl *clone = posix_acl_clone(*acl, gfp);
int err = -ENOMEM;
@ -400,7 +400,7 @@ posix_acl_create(struct posix_acl **acl, gfp_t gfp, mode_t *mode_p)
EXPORT_SYMBOL(posix_acl_create);
int
posix_acl_chmod(struct posix_acl **acl, gfp_t gfp, mode_t mode)
posix_acl_chmod(struct posix_acl **acl, gfp_t gfp, umode_t mode)
{
struct posix_acl *clone = posix_acl_clone(*acl, gfp);
int err = -ENOMEM;

10
fs/reiserfs/xattr_acl.c
View File

@ -272,12 +272,10 @@ reiserfs_set_acl(struct reiserfs_transaction_handle *th, struct inode *inode,
case ACL_TYPE_ACCESS:
name = POSIX_ACL_XATTR_ACCESS;
if (acl) {
mode_t mode = inode->i_mode;
error = posix_acl_equiv_mode(acl, &mode);
error = posix_acl_equiv_mode(acl, &inode->i_mode);
if (error < 0)
return error;
else {
inode->i_mode = mode;
if (error == 0)
acl = NULL;
}
@ -354,8 +352,6 @@ reiserfs_inherit_default_acl(struct reiserfs_transaction_handle *th,
return PTR_ERR(acl);
if (acl) {
mode_t mode = inode->i_mode;
/* Copy the default ACL to the default ACL of a new directory */
if (S_ISDIR(inode->i_mode)) {
err = reiserfs_set_acl(th, inode, ACL_TYPE_DEFAULT,
@ -366,12 +362,10 @@ reiserfs_inherit_default_acl(struct reiserfs_transaction_handle *th,
/* Now we reconcile the new ACL and the mode,
potentially modifying both */
err = posix_acl_create(&acl, GFP_NOFS, &mode);
err = posix_acl_create(&acl, GFP_NOFS, &inode->i_mode);
if (err < 0)
return err;
inode->i_mode = mode;
/* If we need an ACL.. */
if (err > 0)
err = reiserfs_set_acl(th, inode, ACL_TYPE_ACCESS, acl);

6
fs/xfs/linux-2.6/xfs_acl.c
View File

@ -221,7 +221,7 @@ xfs_set_acl(struct inode *inode, int type, struct posix_acl *acl)
}
static int
xfs_set_mode(struct inode *inode, mode_t mode)
xfs_set_mode(struct inode *inode, umode_t mode)
{
int error = 0;
@ -267,7 +267,7 @@ posix_acl_default_exists(struct inode *inode)
int
xfs_inherit_acl(struct inode *inode, struct posix_acl *acl)
{
mode_t mode = inode->i_mode;
umode_t mode = inode->i_mode;
int error = 0, inherit = 0;
if (S_ISDIR(inode->i_mode)) {
@ -381,7 +381,7 @@ xfs_xattr_acl_set(struct dentry *dentry, const char *name,
goto out_release;
if (type == ACL_TYPE_ACCESS) {
mode_t mode = inode->i_mode;
umode_t mode = inode->i_mode;
error = posix_acl_equiv_mode(acl, &mode);
if (error <= 0) {

9
include/linux/fs.h
View File

@ -2317,11 +2317,18 @@ extern int should_remove_suid(struct dentry *);
extern int file_remove_suid(struct file *);
extern void __insert_inode_hash(struct inode *, unsigned long hashval);
extern void remove_inode_hash(struct inode *);
static inline void insert_inode_hash(struct inode *inode)
{
__insert_inode_hash(inode, inode->i_ino);
}
extern void __remove_inode_hash(struct inode *);
static inline void remove_inode_hash(struct inode *inode)
{
if (!inode_unhashed(inode))
__remove_inode_hash(inode);
}
extern void inode_sb_list_add(struct inode *inode);
#ifdef CONFIG_BLOCK

4
include/linux/nfs_fs.h
View File

@ -569,12 +569,12 @@ extern struct posix_acl *nfs3_proc_getacl(struct inode *inode, int type);
extern int nfs3_proc_setacl(struct inode *inode, int type,
struct posix_acl *acl);
extern int nfs3_proc_set_default_acl(struct inode *dir, struct inode *inode,
mode_t mode);
umode_t mode);
extern void nfs3_forget_cached_acls(struct inode *inode);
#else
static inline int nfs3_proc_set_default_acl(struct inode *dir,
struct inode *inode,
mode_t mode)
umode_t mode)
{
return 0;
}

8
include/linux/posix_acl.h
View File

@ -75,10 +75,10 @@ extern void posix_acl_init(struct posix_acl *, int);
extern struct posix_acl *posix_acl_alloc(int, gfp_t);
extern int posix_acl_valid(const struct posix_acl *);
extern int posix_acl_permission(struct inode *, const struct posix_acl *, int);
extern struct posix_acl *posix_acl_from_mode(mode_t, gfp_t);
extern int posix_acl_equiv_mode(const struct posix_acl *, mode_t *);
extern int posix_acl_create(struct posix_acl **, gfp_t, mode_t *);
extern int posix_acl_chmod(struct posix_acl **, gfp_t, mode_t);
extern struct posix_acl *posix_acl_from_mode(umode_t, gfp_t);
extern int posix_acl_equiv_mode(const struct posix_acl *, umode_t *);
extern int posix_acl_create(struct posix_acl **, gfp_t, umode_t *);
extern int posix_acl_chmod(struct posix_acl **, gfp_t, umode_t);
extern struct posix_acl *get_posix_acl(struct inode *, int);
extern int set_posix_acl(struct inode *, int, struct posix_acl *);