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-rw-r--r--fs/ext4/acl.c2
-rw-r--r--fs/ext4/ext4.h12
-rw-r--r--fs/ext4/extents.c4
-rw-r--r--fs/ext4/ialloc.c2
-rw-r--r--fs/ext4/ioctl.c8
-rw-r--r--fs/ext4/namei.c7
-rw-r--r--fs/ext4/super.c9
-rw-r--r--fs/ext4/xattr.h4
-rw-r--r--fs/ext4/xattr_security.c5
9 files changed, 27 insertions, 26 deletions
diff --git a/fs/ext4/acl.c b/fs/ext4/acl.c
index e0270d1f8d82..21eacd7b7d79 100644
--- a/fs/ext4/acl.c
+++ b/fs/ext4/acl.c
@@ -433,7 +433,7 @@ ext4_xattr_set_acl(struct dentry *dentry, const char *name, const void *value,
return -EINVAL;
if (!test_opt(inode->i_sb, POSIX_ACL))
return -EOPNOTSUPP;
- if (!is_owner_or_cap(inode))
+ if (!inode_owner_or_capable(inode))
return -EPERM;
if (value) {
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 3aa0b72b3b94..4daaf2b753f4 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -923,14 +923,14 @@ struct ext4_inode_info {
#define test_opt2(sb, opt) (EXT4_SB(sb)->s_mount_opt2 & \
EXT4_MOUNT2_##opt)
-#define ext4_set_bit ext2_set_bit
+#define ext4_set_bit __test_and_set_bit_le
#define ext4_set_bit_atomic ext2_set_bit_atomic
-#define ext4_clear_bit ext2_clear_bit
+#define ext4_clear_bit __test_and_clear_bit_le
#define ext4_clear_bit_atomic ext2_clear_bit_atomic
-#define ext4_test_bit ext2_test_bit
-#define ext4_find_first_zero_bit ext2_find_first_zero_bit
-#define ext4_find_next_zero_bit ext2_find_next_zero_bit
-#define ext4_find_next_bit ext2_find_next_bit
+#define ext4_test_bit test_bit_le
+#define ext4_find_first_zero_bit find_first_zero_bit_le
+#define ext4_find_next_zero_bit find_next_zero_bit_le
+#define ext4_find_next_bit find_next_bit_le
/*
* Maximal mount counts between two filesystem checks
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index ccce8a7e94ed..7516fb9c0bd5 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -131,7 +131,7 @@ static ext4_fsblk_t ext4_ext_find_goal(struct inode *inode,
* fragmenting the file system's free space. Maybe we
* should have some hueristics or some way to allow
* userspace to pass a hint to file system,
- * especiially if the latter case turns out to be
+ * especially if the latter case turns out to be
* common.
*/
ex = path[depth].p_ext;
@@ -2844,7 +2844,7 @@ fix_extent_len:
* ext4_get_blocks_dio_write() when DIO to write
* to an uninitialized extent.
*
- * Writing to an uninitized extent may result in splitting the uninitialized
+ * Writing to an uninitialized extent may result in splitting the uninitialized
* extent into multiple /initialized uninitialized extents (up to three)
* There are three possibilities:
* a> There is no split required: Entire extent should be uninitialized
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index eb9097aec6f0..78b79e1bd7ed 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -1042,7 +1042,7 @@ got:
if (err)
goto fail_free_drop;
- err = ext4_init_security(handle, inode, dir);
+ err = ext4_init_security(handle, inode, dir, qstr);
if (err)
goto fail_free_drop;
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index eb3bc2fe647e..a84faa110bcd 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -38,7 +38,7 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
unsigned int oldflags;
unsigned int jflag;
- if (!is_owner_or_cap(inode))
+ if (!inode_owner_or_capable(inode))
return -EACCES;
if (get_user(flags, (int __user *) arg))
@@ -146,7 +146,7 @@ flags_out:
__u32 generation;
int err;
- if (!is_owner_or_cap(inode))
+ if (!inode_owner_or_capable(inode))
return -EPERM;
err = mnt_want_write(filp->f_path.mnt);
@@ -298,7 +298,7 @@ mext_out:
case EXT4_IOC_MIGRATE:
{
int err;
- if (!is_owner_or_cap(inode))
+ if (!inode_owner_or_capable(inode))
return -EACCES;
err = mnt_want_write(filp->f_path.mnt);
@@ -320,7 +320,7 @@ mext_out:
case EXT4_IOC_ALLOC_DA_BLKS:
{
int err;
- if (!is_owner_or_cap(inode))
+ if (!inode_owner_or_capable(inode))
return -EACCES;
err = mnt_want_write(filp->f_path.mnt);
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 5485390d32c5..e781b7ea5630 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -2304,13 +2304,6 @@ static int ext4_link(struct dentry *old_dentry,
dquot_initialize(dir);
- /*
- * Return -ENOENT if we've raced with unlink and i_nlink is 0. Doing
- * otherwise has the potential to corrupt the orphan inode list.
- */
- if (inode->i_nlink == 0)
- return -ENOENT;
-
retry:
handle = ext4_journal_start(dir, EXT4_DATA_TRANS_BLOCKS(dir->i_sb) +
EXT4_INDEX_EXTRA_TRANS_BLOCKS);
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index f6a318f836b2..203f9e4a70be 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3415,6 +3415,8 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
sb->s_qcop = &ext4_qctl_operations;
sb->dq_op = &ext4_quota_operations;
#endif
+ memcpy(sb->s_uuid, es->s_uuid, sizeof(es->s_uuid));
+
INIT_LIST_HEAD(&sbi->s_orphan); /* unlinked but open files */
mutex_init(&sbi->s_orphan_lock);
mutex_init(&sbi->s_resize_lock);
@@ -3509,7 +3511,12 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
percpu_counter_set(&sbi->s_dirtyblocks_counter, 0);
no_journal:
- EXT4_SB(sb)->dio_unwritten_wq = create_workqueue("ext4-dio-unwritten");
+ /*
+ * The maximum number of concurrent works can be high and
+ * concurrency isn't really necessary. Limit it to 1.
+ */
+ EXT4_SB(sb)->dio_unwritten_wq =
+ alloc_workqueue("ext4-dio-unwritten", WQ_MEM_RECLAIM, 1);
if (!EXT4_SB(sb)->dio_unwritten_wq) {
printk(KERN_ERR "EXT4-fs: failed to create DIO workqueue\n");
goto failed_mount_wq;
diff --git a/fs/ext4/xattr.h b/fs/ext4/xattr.h
index 1ef16520b950..25b7387ff183 100644
--- a/fs/ext4/xattr.h
+++ b/fs/ext4/xattr.h
@@ -145,10 +145,10 @@ ext4_expand_extra_isize_ea(struct inode *inode, int new_extra_isize,
#ifdef CONFIG_EXT4_FS_SECURITY
extern int ext4_init_security(handle_t *handle, struct inode *inode,
- struct inode *dir);
+ struct inode *dir, const struct qstr *qstr);
#else
static inline int ext4_init_security(handle_t *handle, struct inode *inode,
- struct inode *dir)
+ struct inode *dir, const struct qstr *qstr)
{
return 0;
}
diff --git a/fs/ext4/xattr_security.c b/fs/ext4/xattr_security.c
index 9b21268e121c..007c3bfbf094 100644
--- a/fs/ext4/xattr_security.c
+++ b/fs/ext4/xattr_security.c
@@ -49,14 +49,15 @@ ext4_xattr_security_set(struct dentry *dentry, const char *name,
}
int
-ext4_init_security(handle_t *handle, struct inode *inode, struct inode *dir)
+ext4_init_security(handle_t *handle, struct inode *inode, struct inode *dir,
+ const struct qstr *qstr)
{
int err;
size_t len;
void *value;
char *name;
- err = security_inode_init_security(inode, dir, &name, &value, &len);
+ err = security_inode_init_security(inode, dir, qstr, &name, &value, &len);
if (err) {
if (err == -EOPNOTSUPP)
return 0;