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-rw-r--r--fs/ext4/ext4_sb.h6
-rw-r--r--fs/ext4/ialloc.c6
-rw-r--r--fs/ext4/inode.c11
-rw-r--r--fs/ext4/namei.c17
-rw-r--r--fs/ext4/super.c23
5 files changed, 43 insertions, 20 deletions
diff --git a/fs/ext4/ext4_sb.h b/fs/ext4/ext4_sb.h
index 445fde603df8..b21f16713db0 100644
--- a/fs/ext4/ext4_sb.h
+++ b/fs/ext4/ext4_sb.h
@@ -146,4 +146,10 @@ struct ext4_sb_info {
struct flex_groups *s_flex_groups;
};
+static inline spinlock_t *
+sb_bgl_lock(struct ext4_sb_info *sbi, unsigned int block_group)
+{
+ return bgl_lock_ptr(&sbi->s_blockgroup_lock, block_group);
+}
+
#endif /* _EXT4_SB */
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 08cac9fcace2..6e6052879aa2 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -826,7 +826,10 @@ got:
ext4_set_inode_flags(inode);
if (IS_DIRSYNC(inode))
handle->h_sync = 1;
- insert_inode_hash(inode);
+ if (insert_inode_locked(inode) < 0) {
+ err = -EINVAL;
+ goto fail_drop;
+ }
spin_lock(&sbi->s_next_gen_lock);
inode->i_generation = sbi->s_next_generation++;
spin_unlock(&sbi->s_next_gen_lock);
@@ -881,6 +884,7 @@ fail_drop:
DQUOT_DROP(inode);
inode->i_flags |= S_NOQUOTA;
inode->i_nlink = 0;
+ unlock_new_inode(inode);
iput(inode);
brelse(bitmap_bh);
return ERR_PTR(err);
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index be21a5ae33cb..6702a49992a6 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -34,6 +34,7 @@
#include <linux/writeback.h>
#include <linux/pagevec.h>
#include <linux/mpage.h>
+#include <linux/namei.h>
#include <linux/uio.h>
#include <linux/bio.h>
#include "ext4_jbd2.h"
@@ -1345,7 +1346,7 @@ retry:
goto out;
}
- page = __grab_cache_page(mapping, index);
+ page = grab_cache_page_write_begin(mapping, index, flags);
if (!page) {
ext4_journal_stop(handle);
ret = -ENOMEM;
@@ -2549,7 +2550,7 @@ retry:
goto out;
}
- page = __grab_cache_page(mapping, index);
+ page = grab_cache_page_write_begin(mapping, index, flags);
if (!page) {
ext4_journal_stop(handle);
ret = -ENOMEM;
@@ -4164,9 +4165,11 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
inode->i_op = &ext4_dir_inode_operations;
inode->i_fop = &ext4_dir_operations;
} else if (S_ISLNK(inode->i_mode)) {
- if (ext4_inode_is_fast_symlink(inode))
+ if (ext4_inode_is_fast_symlink(inode)) {
inode->i_op = &ext4_fast_symlink_inode_operations;
- else {
+ nd_terminate_link(ei->i_data, inode->i_size,
+ sizeof(ei->i_data) - 1);
+ } else {
inode->i_op = &ext4_symlink_inode_operations;
ext4_set_aops(inode);
}
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 63adcb792988..9fd2a5e1be4d 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1693,9 +1693,11 @@ static int ext4_add_nondir(handle_t *handle,
if (!err) {
ext4_mark_inode_dirty(handle, inode);
d_instantiate(dentry, inode);
+ unlock_new_inode(inode);
return 0;
}
drop_nlink(inode);
+ unlock_new_inode(inode);
iput(inode);
return err;
}
@@ -1830,6 +1832,7 @@ retry:
if (err) {
out_clear_inode:
clear_nlink(inode);
+ unlock_new_inode(inode);
ext4_mark_inode_dirty(handle, inode);
iput(inode);
goto out_stop;
@@ -1838,6 +1841,7 @@ out_clear_inode:
ext4_update_dx_flag(dir);
ext4_mark_inode_dirty(handle, dir);
d_instantiate(dentry, inode);
+ unlock_new_inode(inode);
out_stop:
ext4_journal_stop(handle);
if (err == -ENOSPC && ext4_should_retry_alloc(dir->i_sb, &retries))
@@ -2208,10 +2212,10 @@ retry:
* We have a transaction open. All is sweetness. It also sets
* i_size in generic_commit_write().
*/
- err = __page_symlink(inode, symname, l,
- mapping_gfp_mask(inode->i_mapping) & ~__GFP_FS);
+ err = __page_symlink(inode, symname, l, 1);
if (err) {
clear_nlink(inode);
+ unlock_new_inode(inode);
ext4_mark_inode_dirty(handle, inode);
iput(inode);
goto out_stop;
@@ -2262,7 +2266,14 @@ retry:
ext4_inc_count(handle, inode);
atomic_inc(&inode->i_count);
- err = ext4_add_nondir(handle, dentry, inode);
+ err = ext4_add_entry(handle, dentry, inode);
+ if (!err) {
+ ext4_mark_inode_dirty(handle, inode);
+ d_instantiate(dentry, inode);
+ } else {
+ drop_nlink(inode);
+ iput(inode);
+ }
ext4_journal_stop(handle);
if (err == -ENOSPC && ext4_should_retry_alloc(dir->i_sb, &retries))
goto retry;
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index e4a241c65dbe..9494bb249390 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -803,7 +803,9 @@ static struct dquot_operations ext4_quota_operations = {
.acquire_dquot = ext4_acquire_dquot,
.release_dquot = ext4_release_dquot,
.mark_dirty = ext4_mark_dquot_dirty,
- .write_info = ext4_write_info
+ .write_info = ext4_write_info,
+ .alloc_dquot = dquot_alloc,
+ .destroy_dquot = dquot_destroy,
};
static struct quotactl_ops ext4_qctl_operations = {
@@ -1142,8 +1144,7 @@ static int parse_options(char *options, struct super_block *sb,
case Opt_grpjquota:
qtype = GRPQUOTA;
set_qf_name:
- if ((sb_any_quota_enabled(sb) ||
- sb_any_quota_suspended(sb)) &&
+ if (sb_any_quota_loaded(sb) &&
!sbi->s_qf_names[qtype]) {
printk(KERN_ERR
"EXT4-fs: Cannot change journaled "
@@ -1182,8 +1183,7 @@ set_qf_name:
case Opt_offgrpjquota:
qtype = GRPQUOTA;
clear_qf_name:
- if ((sb_any_quota_enabled(sb) ||
- sb_any_quota_suspended(sb)) &&
+ if (sb_any_quota_loaded(sb) &&
sbi->s_qf_names[qtype]) {
printk(KERN_ERR "EXT4-fs: Cannot change "
"journaled quota options when "
@@ -1202,8 +1202,7 @@ clear_qf_name:
case Opt_jqfmt_vfsv0:
qfmt = QFMT_VFS_V0;
set_qf_format:
- if ((sb_any_quota_enabled(sb) ||
- sb_any_quota_suspended(sb)) &&
+ if (sb_any_quota_loaded(sb) &&
sbi->s_jquota_fmt != qfmt) {
printk(KERN_ERR "EXT4-fs: Cannot change "
"journaled quota options when "
@@ -1222,7 +1221,7 @@ set_qf_format:
set_opt(sbi->s_mount_opt, GRPQUOTA);
break;
case Opt_noquota:
- if (sb_any_quota_enabled(sb)) {
+ if (sb_any_quota_loaded(sb)) {
printk(KERN_ERR "EXT4-fs: Cannot change quota "
"options when quota turned on.\n");
return 0;
@@ -1721,7 +1720,7 @@ static loff_t ext4_max_size(int blkbits, int has_huge_files)
/* small i_blocks in vfs inode? */
if (!has_huge_files || sizeof(blkcnt_t) < sizeof(u64)) {
/*
- * CONFIG_LSF is not enabled implies the inode
+ * CONFIG_LBD is not enabled implies the inode
* i_block represent total blocks in 512 bytes
* 32 == size of vfs inode i_blocks * 8
*/
@@ -1764,7 +1763,7 @@ static loff_t ext4_max_bitmap_size(int bits, int has_huge_files)
if (!has_huge_files || sizeof(blkcnt_t) < sizeof(u64)) {
/*
- * !has_huge_files or CONFIG_LSF is not enabled
+ * !has_huge_files or CONFIG_LBD is not enabled
* implies the inode i_block represent total blocks in
* 512 bytes 32 == size of vfs inode i_blocks * 8
*/
@@ -2021,13 +2020,13 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
if (has_huge_files) {
/*
* Large file size enabled file system can only be
- * mount if kernel is build with CONFIG_LSF
+ * mount if kernel is build with CONFIG_LBD
*/
if (sizeof(root->i_blocks) < sizeof(u64) &&
!(sb->s_flags & MS_RDONLY)) {
printk(KERN_ERR "EXT4-fs: %s: Filesystem with huge "
"files cannot be mounted read-write "
- "without CONFIG_LSF.\n", sb->s_id);
+ "without CONFIG_LBD.\n", sb->s_id);
goto failed_mount;
}
}
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