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Date: Fri, 27 May 2011 23:21:54 -0700
From: Manish Katiyar <mkatiyar@...il.com>
To: jack@...e.cz, tytso@....edu, linux-ext4@...r.kernel.org
Cc: Manish Katiyar <mkatiyar@...il.com>
Subject: [PATCH v2 3/3] ext4: Fix ext4 to use pass jbd allocation flags if they can handle ENOMEM.
This patch updates ext4 code to pass appropriate transaction
allocation flags to callers who are safe to deal with ENOMEM.
Pass JBD2_TOPLEVEL from the callers who are safe to do allocations
with GFP_KERNEL instead of GFP_NOFS.
Signed-off-by: Manish Katiyar <mkatiyar@...il.com>
---
fs/ext4/acl.c | 6 ++++--
fs/ext4/ext4_jbd2.h | 8 +++++---
fs/ext4/extents.c | 11 ++++++-----
fs/ext4/ialloc.c | 2 +-
fs/ext4/inode.c | 40 ++++++++++++++++++++++++----------------
fs/ext4/ioctl.c | 6 ++++--
fs/ext4/migrate.c | 10 +++++-----
fs/ext4/move_extent.c | 3 ++-
fs/ext4/namei.c | 47 ++++++++++++++++++++++++++++++-----------------
fs/ext4/resize.c | 8 ++++----
fs/ext4/super.c | 18 +++++++++++-------
fs/ext4/xattr.c | 3 ++-
12 files changed, 98 insertions(+), 64 deletions(-)
diff --git a/fs/ext4/acl.c b/fs/ext4/acl.c
index 93dc9a6..95db569 100644
--- a/fs/ext4/acl.c
+++ b/fs/ext4/acl.c
@@ -351,7 +351,8 @@ ext4_acl_chmod(struct inode *inode)
retry:
handle = ext4_journal_start(inode,
- EXT4_DATA_TRANS_BLOCKS(inode->i_sb));
+ EXT4_DATA_TRANS_BLOCKS(inode->i_sb),
+ (JBD2_FAIL_OK | JBD2_TOPLEVEL));
if (IS_ERR(handle)) {
error = PTR_ERR(handle);
if (error != -ENOMEM)
@@ -450,7 +451,8 @@ ext4_xattr_set_acl(struct dentry *dentry, const char *name, const void *value,
acl = NULL;
retry:
- handle = ext4_journal_start(inode, EXT4_DATA_TRANS_BLOCKS(inode->i_sb));
+ handle = ext4_journal_start(inode, EXT4_DATA_TRANS_BLOCKS(inode->i_sb),
+ (JBD2_FAIL_OK | JBD2_TOPLEVEL));
if (IS_ERR(handle)) {
error = PTR_ERR(handle);
goto release_and_out;
diff --git a/fs/ext4/ext4_jbd2.h b/fs/ext4/ext4_jbd2.h
index 14e6599..55084c2 100644
--- a/fs/ext4/ext4_jbd2.h
+++ b/fs/ext4/ext4_jbd2.h
@@ -156,7 +156,8 @@ int __ext4_handle_dirty_super(const char *where, unsigned int line,
#define ext4_handle_dirty_super(handle, sb) \
__ext4_handle_dirty_super(__func__, __LINE__, (handle), (sb))
-handle_t *ext4_journal_start_sb(struct super_block *sb, int nblocks);
+handle_t *ext4_journal_start_sb(struct super_block *sb,
+ int nblocks, int jbd_alloc_flags);
int __ext4_journal_stop(const char *where, unsigned int line, handle_t *handle);
#define EXT4_NOJOURNAL_MAX_REF_COUNT ((unsigned long) 4096)
@@ -197,9 +198,10 @@ static inline int ext4_handle_has_enough_credits(handle_t *handle, int needed)
return 1;
}
-static inline handle_t *ext4_journal_start(struct inode *inode, int nblocks)
+static inline handle_t *ext4_journal_start(struct inode *inode,
+ int nblocks, int jbd_alloc_flags)
{
- return ext4_journal_start_sb(inode->i_sb, nblocks);
+ return ext4_journal_start_sb(inode->i_sb, nblocks, jbd_alloc_flags);
}
#define ext4_journal_stop(handle) \
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 5199bac..b610294 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -2546,7 +2546,7 @@ static int ext4_ext_remove_space(struct inode *inode, ext4_lblk_t start,
ext_debug("truncate since %u\n", start);
/* probably first extent we're gonna free will be last in block */
- handle = ext4_journal_start(inode, depth + 1);
+ handle = ext4_journal_start(inode, depth + 1, JBD2_NO_FAIL);
if (IS_ERR(handle))
return PTR_ERR(handle);
@@ -3672,7 +3672,7 @@ void ext4_ext_truncate(struct inode *inode)
* probably first extent we're gonna free will be last in block
*/
err = ext4_writepage_trans_blocks(inode);
- handle = ext4_journal_start(inode, err);
+ handle = ext4_journal_start(inode, err, JBD2_NO_FAIL);
if (IS_ERR(handle))
return;
@@ -3811,7 +3811,8 @@ retry:
while (ret >= 0 && ret < max_blocks) {
map.m_lblk = map.m_lblk + ret;
map.m_len = max_blocks = max_blocks - ret;
- handle = ext4_journal_start(inode, credits);
+ handle = ext4_journal_start(inode, credits,
+ (JBD2_FAIL_OK | JBD2_TOPLEVEL));
if (IS_ERR(handle)) {
ret = PTR_ERR(handle);
break;
@@ -3889,7 +3890,7 @@ int ext4_convert_unwritten_extents(struct inode *inode, loff_t offset,
while (ret >= 0 && ret < max_blocks) {
map.m_lblk += ret;
map.m_len = (max_blocks -= ret);
- handle = ext4_journal_start(inode, credits);
+ handle = ext4_journal_start(inode, credits, JBD2_NO_FAIL);
if (IS_ERR(handle)) {
ret = PTR_ERR(handle);
break;
@@ -4215,7 +4216,7 @@ int ext4_ext_punch_hole(struct file *file, loff_t offset, loff_t length)
ext4_flush_completed_IO(inode);
credits = ext4_writepage_trans_blocks(inode);
- handle = ext4_journal_start(inode, credits);
+ handle = ext4_journal_start(inode, credits, JBD2_NO_FAIL);
if (IS_ERR(handle))
return PTR_ERR(handle);
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 21bb2f6..09b73d7 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -1263,7 +1263,7 @@ extern int ext4_init_inode_table(struct super_block *sb, ext4_group_t group,
if (gdp->bg_flags & cpu_to_le16(EXT4_BG_INODE_ZEROED))
goto out;
- handle = ext4_journal_start_sb(sb, 1);
+ handle = ext4_journal_start_sb(sb, 1, JBD2_NO_FAIL);
if (IS_ERR(handle)) {
ret = PTR_ERR(handle);
goto out;
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 50d0e9c..0355858 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -129,7 +129,8 @@ static handle_t *start_transaction(struct inode *inode)
{
handle_t *result;
- result = ext4_journal_start(inode, blocks_for_truncate(inode));
+ result = ext4_journal_start(inode,
+ blocks_for_truncate(inode), JBD2_NO_FAIL);
if (!IS_ERR(result))
return result;
@@ -204,7 +205,8 @@ void ext4_evict_inode(struct inode *inode)
if (is_bad_inode(inode))
goto no_delete;
- handle = ext4_journal_start(inode, blocks_for_truncate(inode)+3);
+ handle = ext4_journal_start(inode,
+ blocks_for_truncate(inode)+3, JBD2_NO_FAIL);
if (IS_ERR(handle)) {
ext4_std_error(inode->i_sb, PTR_ERR(handle));
/*
@@ -1401,7 +1403,7 @@ static int _ext4_get_block(struct inode *inode, sector_t iblock,
if (map.m_len > DIO_MAX_BLOCKS)
map.m_len = DIO_MAX_BLOCKS;
dio_credits = ext4_chunk_trans_blocks(inode, map.m_len);
- handle = ext4_journal_start(inode, dio_credits);
+ handle = ext4_journal_start(inode, dio_credits, JBD2_NO_FAIL);
if (IS_ERR(handle)) {
ret = PTR_ERR(handle);
return ret;
@@ -1624,7 +1626,7 @@ static int ext4_write_begin(struct file *file, struct address_space *mapping,
to = from + len;
retry:
- handle = ext4_journal_start(inode, needed_blocks);
+ handle = ext4_journal_start(inode, needed_blocks, JBD2_FAIL_OK);
if (IS_ERR(handle)) {
ret = PTR_ERR(handle);
goto out;
@@ -2558,7 +2560,8 @@ static int __ext4_journalled_writepage(struct page *page,
* references to buffers so we are safe */
unlock_page(page);
- handle = ext4_journal_start(inode, ext4_writepage_trans_blocks(inode));
+ handle = ext4_journal_start(inode, ext4_writepage_trans_blocks(inode),
+ JBD2_NO_FAIL);
if (IS_ERR(handle)) {
ret = PTR_ERR(handle);
goto out;
@@ -2988,7 +2991,7 @@ retry:
needed_blocks = ext4_da_writepages_trans_blocks(inode);
/* start a new transaction*/
- handle = ext4_journal_start(inode, needed_blocks);
+ handle = ext4_journal_start(inode, needed_blocks, JBD2_NO_FAIL);
if (IS_ERR(handle)) {
ret = PTR_ERR(handle);
ext4_msg(inode->i_sb, KERN_CRIT, "%s: jbd2_start: "
@@ -3124,7 +3127,7 @@ retry:
* to journalling the i_disksize update if writes to the end
* of file which has an already mapped buffer.
*/
- handle = ext4_journal_start(inode, 1);
+ handle = ext4_journal_start(inode, 1, JBD2_FAIL_OK);
if (IS_ERR(handle)) {
ret = PTR_ERR(handle);
goto out;
@@ -3478,7 +3481,7 @@ static ssize_t ext4_ind_direct_IO(int rw, struct kiocb *iocb,
if (final_size > inode->i_size) {
/* Credits for sb + inode write */
- handle = ext4_journal_start(inode, 2);
+ handle = ext4_journal_start(inode, 2, JBD2_FAIL_OK);
if (IS_ERR(handle)) {
ret = PTR_ERR(handle);
goto out;
@@ -3521,7 +3524,7 @@ retry:
int err;
/* Credits for sb + inode write */
- handle = ext4_journal_start(inode, 2);
+ handle = ext4_journal_start(inode, 2, JBD2_NO_FAIL);
if (IS_ERR(handle)) {
/* This is really bad luck. We've written the data
* but cannot extend i_size. Bail out and pretend
@@ -5329,8 +5332,10 @@ int ext4_setattr(struct dentry *dentry, struct iattr *attr)
/* (user+group)*(old+new) structure, inode write (sb,
* inode block, ? - but truncate inode update has it) */
- handle = ext4_journal_start(inode, (EXT4_MAXQUOTAS_INIT_BLOCKS(inode->i_sb)+
- EXT4_MAXQUOTAS_DEL_BLOCKS(inode->i_sb))+3);
+ handle = ext4_journal_start(inode,
+ (EXT4_MAXQUOTAS_INIT_BLOCKS(inode->i_sb)+
+ EXT4_MAXQUOTAS_DEL_BLOCKS(inode->i_sb))+3,
+ (JBD2_FAIL_OK | JBD2_TOPLEVEL));
if (IS_ERR(handle)) {
error = PTR_ERR(handle);
goto err_out;
@@ -5364,7 +5369,8 @@ int ext4_setattr(struct dentry *dentry, struct iattr *attr)
(attr->ia_size < inode->i_size)) {
handle_t *handle;
- handle = ext4_journal_start(inode, 3);
+ handle = ext4_journal_start(inode, 3,
+ (JBD2_FAIL_OK | JBD2_TOPLEVEL));
if (IS_ERR(handle)) {
error = PTR_ERR(handle);
goto err_out;
@@ -5384,7 +5390,8 @@ int ext4_setattr(struct dentry *dentry, struct iattr *attr)
attr->ia_size);
if (error) {
/* Do as much error cleanup as possible */
- handle = ext4_journal_start(inode, 3);
+ handle = ext4_journal_start(inode, 3,
+ JBD2_NO_FAIL);
if (IS_ERR(handle)) {
ext4_orphan_del(NULL, inode);
goto err_out;
@@ -5421,7 +5428,8 @@ int ext4_setattr(struct dentry *dentry, struct iattr *attr)
rc = ext4_acl_chmod(inode);
err_out:
- ext4_std_error(inode->i_sb, error);
+ if (error != -ENOMEM)
+ ext4_std_error(inode->i_sb, error);
if (!error)
error = rc;
return error;
@@ -5737,7 +5745,7 @@ void ext4_dirty_inode(struct inode *inode)
{
handle_t *handle;
- handle = ext4_journal_start(inode, 2);
+ handle = ext4_journal_start(inode, 2, JBD2_NO_FAIL);
if (IS_ERR(handle))
goto out;
@@ -5821,7 +5829,7 @@ int ext4_change_inode_journal_flag(struct inode *inode, int val)
/* Finally we can mark the inode as dirty. */
- handle = ext4_journal_start(inode, 1);
+ handle = ext4_journal_start(inode, 1, JBD2_NO_FAIL);
if (IS_ERR(handle))
return PTR_ERR(handle);
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index 808c554..b88e295 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -101,7 +101,8 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
} else if (oldflags & EXT4_EOFBLOCKS_FL)
ext4_truncate(inode);
- handle = ext4_journal_start(inode, 1);
+ handle = ext4_journal_start(inode, 1,
+ (JBD2_FAIL_OK | JBD2_TOPLEVEL));
if (IS_ERR(handle)) {
err = PTR_ERR(handle);
goto flags_out;
@@ -157,7 +158,8 @@ flags_out:
goto setversion_out;
}
- handle = ext4_journal_start(inode, 1);
+ handle = ext4_journal_start(inode, 1,
+ (JBD2_FAIL_OK | JBD2_TOPLEVEL));
if (IS_ERR(handle)) {
err = PTR_ERR(handle);
goto setversion_out;
diff --git a/fs/ext4/migrate.c b/fs/ext4/migrate.c
index b57b98f..f233f12 100644
--- a/fs/ext4/migrate.c
+++ b/fs/ext4/migrate.c
@@ -485,10 +485,10 @@ int ext4_ext_migrate(struct inode *inode)
return retval;
handle = ext4_journal_start(inode,
- EXT4_DATA_TRANS_BLOCKS(inode->i_sb) +
- EXT4_INDEX_EXTRA_TRANS_BLOCKS + 3 +
- EXT4_MAXQUOTAS_INIT_BLOCKS(inode->i_sb)
- + 1);
+ EXT4_DATA_TRANS_BLOCKS(inode->i_sb) +
+ EXT4_INDEX_EXTRA_TRANS_BLOCKS + 3 +
+ EXT4_MAXQUOTAS_INIT_BLOCKS(inode->i_sb)
+ + 1, (JBD2_FAIL_OK | JBD2_TOPLEVEL));
if (IS_ERR(handle)) {
retval = PTR_ERR(handle);
return retval;
@@ -533,7 +533,7 @@ int ext4_ext_migrate(struct inode *inode)
ext4_set_inode_state(inode, EXT4_STATE_EXT_MIGRATE);
up_read((&EXT4_I(inode)->i_data_sem));
- handle = ext4_journal_start(inode, 1);
+ handle = ext4_journal_start(inode, 1, JBD2_NO_FAIL);
if (IS_ERR(handle)) {
/*
* It is impossible to update on-disk structures without
diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index 2b8304b..ff4289f 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -813,7 +813,8 @@ move_extent_per_page(struct file *o_filp, struct inode *donor_inode,
* inode and donor_inode may change each different metadata blocks.
*/
jblocks = ext4_writepage_trans_blocks(orig_inode) * 2;
- handle = ext4_journal_start(orig_inode, jblocks);
+ handle = ext4_journal_start(orig_inode, jblocks,
+ (JBD2_FAIL_OK | JBD2_TOPLEVEL));
if (IS_ERR(handle)) {
*err = PTR_ERR(handle);
return 0;
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index b754b77..101d5d5 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1750,9 +1750,11 @@ static int ext4_create(struct inode *dir, struct dentry *dentry, int mode,
dquot_initialize(dir);
retry:
- handle = ext4_journal_start(dir, EXT4_DATA_TRANS_BLOCKS(dir->i_sb) +
- EXT4_INDEX_EXTRA_TRANS_BLOCKS + 3 +
- EXT4_MAXQUOTAS_INIT_BLOCKS(dir->i_sb));
+ handle = ext4_journal_start(dir,
+ EXT4_DATA_TRANS_BLOCKS(dir->i_sb) +
+ EXT4_INDEX_EXTRA_TRANS_BLOCKS + 3 +
+ EXT4_MAXQUOTAS_INIT_BLOCKS(dir->i_sb),
+ (JBD2_FAIL_OK | JBD2_TOPLEVEL));
if (IS_ERR(handle))
return PTR_ERR(handle);
@@ -1786,9 +1788,11 @@ static int ext4_mknod(struct inode *dir, struct dentry *dentry,
dquot_initialize(dir);
retry:
- handle = ext4_journal_start(dir, EXT4_DATA_TRANS_BLOCKS(dir->i_sb) +
- EXT4_INDEX_EXTRA_TRANS_BLOCKS + 3 +
- EXT4_MAXQUOTAS_INIT_BLOCKS(dir->i_sb));
+ handle = ext4_journal_start(dir,
+ EXT4_DATA_TRANS_BLOCKS(dir->i_sb) +
+ EXT4_INDEX_EXTRA_TRANS_BLOCKS + 3 +
+ EXT4_MAXQUOTAS_INIT_BLOCKS(dir->i_sb),
+ (JBD2_FAIL_OK | JBD2_TOPLEVEL));
if (IS_ERR(handle))
return PTR_ERR(handle);
@@ -1825,9 +1829,11 @@ static int ext4_mkdir(struct inode *dir, struct dentry *dentry, int mode)
dquot_initialize(dir);
retry:
- handle = ext4_journal_start(dir, EXT4_DATA_TRANS_BLOCKS(dir->i_sb) +
- EXT4_INDEX_EXTRA_TRANS_BLOCKS + 3 +
- EXT4_MAXQUOTAS_INIT_BLOCKS(dir->i_sb));
+ handle = ext4_journal_start(dir,
+ EXT4_DATA_TRANS_BLOCKS(dir->i_sb) +
+ EXT4_INDEX_EXTRA_TRANS_BLOCKS + 3 +
+ EXT4_MAXQUOTAS_INIT_BLOCKS(dir->i_sb),
+ (JBD2_FAIL_OK | JBD2_TOPLEVEL));
if (IS_ERR(handle))
return PTR_ERR(handle);
@@ -2140,7 +2146,8 @@ static int ext4_rmdir(struct inode *dir, struct dentry *dentry)
dquot_initialize(dir);
dquot_initialize(dentry->d_inode);
- handle = ext4_journal_start(dir, EXT4_DELETE_TRANS_BLOCKS(dir->i_sb));
+ handle = ext4_journal_start(dir, EXT4_DELETE_TRANS_BLOCKS(dir->i_sb),
+ (JBD2_FAIL_OK | JBD2_TOPLEVEL));
if (IS_ERR(handle))
return PTR_ERR(handle);
@@ -2202,7 +2209,8 @@ static int ext4_unlink(struct inode *dir, struct dentry *dentry)
dquot_initialize(dir);
dquot_initialize(dentry->d_inode);
- handle = ext4_journal_start(dir, EXT4_DELETE_TRANS_BLOCKS(dir->i_sb));
+ handle = ext4_journal_start(dir, EXT4_DELETE_TRANS_BLOCKS(dir->i_sb),
+ (JBD2_FAIL_OK | JBD2_TOPLEVEL));
if (IS_ERR(handle))
return PTR_ERR(handle);
@@ -2279,7 +2287,8 @@ static int ext4_symlink(struct inode *dir,
EXT4_MAXQUOTAS_INIT_BLOCKS(dir->i_sb);
}
retry:
- handle = ext4_journal_start(dir, credits);
+ handle = ext4_journal_start(dir,
+ credits, (JBD2_FAIL_OK | JBD2_TOPLEVEL));
if (IS_ERR(handle))
return PTR_ERR(handle);
@@ -2319,7 +2328,8 @@ retry:
*/
handle = ext4_journal_start(dir,
EXT4_DATA_TRANS_BLOCKS(dir->i_sb) +
- EXT4_INDEX_EXTRA_TRANS_BLOCKS + 1);
+ EXT4_INDEX_EXTRA_TRANS_BLOCKS + 1,
+ (JBD2_FAIL_OK | JBD2_TOPLEVEL));
if (IS_ERR(handle)) {
err = PTR_ERR(handle);
goto err_drop_inode;
@@ -2364,8 +2374,10 @@ static int ext4_link(struct dentry *old_dentry,
dquot_initialize(dir);
retry:
- handle = ext4_journal_start(dir, EXT4_DATA_TRANS_BLOCKS(dir->i_sb) +
- EXT4_INDEX_EXTRA_TRANS_BLOCKS);
+ handle = ext4_journal_start(dir,
+ EXT4_DATA_TRANS_BLOCKS(dir->i_sb) +
+ EXT4_INDEX_EXTRA_TRANS_BLOCKS,
+ (JBD2_FAIL_OK | JBD2_TOPLEVEL));
if (IS_ERR(handle))
return PTR_ERR(handle);
@@ -2416,8 +2428,9 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry,
if (new_dentry->d_inode)
dquot_initialize(new_dentry->d_inode);
handle = ext4_journal_start(old_dir, 2 *
- EXT4_DATA_TRANS_BLOCKS(old_dir->i_sb) +
- EXT4_INDEX_EXTRA_TRANS_BLOCKS + 2);
+ EXT4_DATA_TRANS_BLOCKS(old_dir->i_sb) +
+ EXT4_INDEX_EXTRA_TRANS_BLOCKS + 2,
+ (JBD2_FAIL_OK | JBD2_TOPLEVEL));
if (IS_ERR(handle))
return PTR_ERR(handle);
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index 80bbc9c..6bc36ec 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -176,7 +176,7 @@ static int setup_new_group_blocks(struct super_block *sb,
int err = 0, err2;
/* This transaction may be extended/restarted along the way */
- handle = ext4_journal_start_sb(sb, EXT4_MAX_TRANS_DATA);
+ handle = ext4_journal_start_sb(sb, EXT4_MAX_TRANS_DATA, JBD2_NO_FAIL);
if (IS_ERR(handle))
return PTR_ERR(handle);
@@ -655,7 +655,7 @@ static void update_backups(struct super_block *sb,
handle_t *handle;
int err = 0, err2;
- handle = ext4_journal_start_sb(sb, EXT4_MAX_TRANS_DATA);
+ handle = ext4_journal_start_sb(sb, EXT4_MAX_TRANS_DATA, JBD2_NO_FAIL);
if (IS_ERR(handle)) {
group = 1;
err = PTR_ERR(handle);
@@ -793,7 +793,7 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input)
*/
handle = ext4_journal_start_sb(sb,
ext4_bg_has_super(sb, input->group) ?
- 3 + reserved_gdb : 4);
+ 3 + reserved_gdb : 4, JBD2_NO_FAIL);
if (IS_ERR(handle)) {
err = PTR_ERR(handle);
goto exit_put;
@@ -1031,7 +1031,7 @@ int ext4_group_extend(struct super_block *sb, struct ext4_super_block *es,
/* We will update the superblock, one block bitmap, and
* one group descriptor via ext4_free_blocks().
*/
- handle = ext4_journal_start_sb(sb, 3);
+ handle = ext4_journal_start_sb(sb, 3, JBD2_NO_FAIL);
if (IS_ERR(handle)) {
err = PTR_ERR(handle);
ext4_warning(sb, "error %d on journal start", err);
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index aa842f3..8beb687 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -263,7 +263,8 @@ static void ext4_put_nojournal(handle_t *handle)
* ext4 prevents a new handle from being started by s_frozen, which
* is in an upper layer.
*/
-handle_t *ext4_journal_start_sb(struct super_block *sb, int nblocks)
+handle_t *ext4_journal_start_sb(struct super_block *sb,
+ int nblocks, int jbd_alloc_flags)
{
journal_t *journal;
handle_t *handle;
@@ -295,7 +296,7 @@ handle_t *ext4_journal_start_sb(struct super_block *sb, int nblocks)
ext4_abort(sb, "Detected aborted journal");
return ERR_PTR(-EROFS);
}
- return jbd2_journal_start(journal, nblocks, JBD2_NO_FAIL);
+ return jbd2_journal_start(journal, nblocks, jbd_alloc_flags);
}
/*
@@ -4561,7 +4562,8 @@ static int ext4_write_dquot(struct dquot *dquot)
inode = dquot_to_inode(dquot);
handle = ext4_journal_start(inode,
- EXT4_QUOTA_TRANS_BLOCKS(dquot->dq_sb));
+ EXT4_QUOTA_TRANS_BLOCKS(dquot->dq_sb),
+ JBD2_NO_FAIL);
if (IS_ERR(handle))
return PTR_ERR(handle);
ret = dquot_commit(dquot);
@@ -4577,7 +4579,8 @@ static int ext4_acquire_dquot(struct dquot *dquot)
handle_t *handle;
handle = ext4_journal_start(dquot_to_inode(dquot),
- EXT4_QUOTA_INIT_BLOCKS(dquot->dq_sb));
+ EXT4_QUOTA_INIT_BLOCKS(dquot->dq_sb),
+ JBD2_NO_FAIL);
if (IS_ERR(handle))
return PTR_ERR(handle);
ret = dquot_acquire(dquot);
@@ -4593,7 +4596,8 @@ static int ext4_release_dquot(struct dquot *dquot)
handle_t *handle;
handle = ext4_journal_start(dquot_to_inode(dquot),
- EXT4_QUOTA_DEL_BLOCKS(dquot->dq_sb));
+ EXT4_QUOTA_DEL_BLOCKS(dquot->dq_sb),
+ JBD2_NO_FAIL);
if (IS_ERR(handle)) {
/* Release dquot anyway to avoid endless cycle in dqput() */
dquot_release(dquot);
@@ -4624,7 +4628,7 @@ static int ext4_write_info(struct super_block *sb, int type)
handle_t *handle;
/* Data block + inode block */
- handle = ext4_journal_start(sb->s_root->d_inode, 2);
+ handle = ext4_journal_start(sb->s_root->d_inode, 2, JBD2_NO_FAIL);
if (IS_ERR(handle))
return PTR_ERR(handle);
ret = dquot_commit_info(sb, type);
@@ -4702,7 +4706,7 @@ static int ext4_quota_off(struct super_block *sb, int type)
/* Update modification times of quota files when userspace can
* start looking at them */
- handle = ext4_journal_start(inode, 1);
+ handle = ext4_journal_start(inode, 1, (JBD2_FAIL_OK | JBD2_TOPLEVEL));
if (IS_ERR(handle))
goto out;
inode->i_mtime = inode->i_ctime = CURRENT_TIME;
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index c757adc..e27b289 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -1084,7 +1084,8 @@ ext4_xattr_set(struct inode *inode, int name_index, const char *name,
int error, retries = 0;
retry:
- handle = ext4_journal_start(inode, EXT4_DATA_TRANS_BLOCKS(inode->i_sb));
+ handle = ext4_journal_start(inode, EXT4_DATA_TRANS_BLOCKS(inode->i_sb),
+ (JBD2_FAIL_OK | JBD2_TOPLEVEL));
if (IS_ERR(handle)) {
error = PTR_ERR(handle);
} else {
--
1.7.4.1
--
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