| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <AANLkTi=OHxmPD=Yy9QJ6HHGF0-djBhnYVby_nfMVzS40@mail.gmail.com>
Date: Sun, 30 Jan 2011 17:25:49 -0800
From: Manish Katiyar <mkatiyar@...il.com>
To: "Theodore Ts'o" <tytso@....edu>, ext4 <linux-ext4@...r.kernel.org>
Cc: mkatiyar@...il.com
Subject: [PATCH 3/4] Update ext4 routines to use GFP_KERNEL for journal
transaction allocation.
Following patch updates ext4 routines to specify journal to pass
GFP_KERNEL while allocating
transaction.
Signed-off-by: Manish Katiyar <mkatiyar@...il.com>
---
fs/ext4/extents.c | 2 +-
fs/ext4/inode.c | 20 ++++++++++++--------
fs/ext4/ioctl.c | 4 ++--
fs/ext4/migrate.c | 4 ++--
fs/ext4/move_extent.c | 2 +-
fs/ext4/namei.c | 24 +++++++++++++++---------
fs/ext4/resize.c | 8 ++++----
fs/ext4/xattr.c | 3 ++-
8 files changed, 39 insertions(+), 28 deletions(-)
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 4ebc6ac..5944b1c 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -3677,7 +3677,7 @@ 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, true);
if (IS_ERR(handle)) {
ret = PTR_ERR(handle);
break;
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 5f7b082..12a9b74 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1621,7 +1621,7 @@ 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, true);
if (IS_ERR(handle)) {
ret = PTR_ERR(handle);
goto out;
@@ -3205,7 +3205,7 @@ 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, true);
if (IS_ERR(handle)) {
ret = PTR_ERR(handle);
goto out;
@@ -3554,7 +3554,7 @@ 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, true);
if (IS_ERR(handle)) {
ret = PTR_ERR(handle);
goto out;
@@ -3597,7 +3597,7 @@ retry:
int err;
/* Credits for sb + inode write */
- handle = ext4_journal_start(inode, 2);
+ handle = ext4_journal_start(inode, 2, true);
if (IS_ERR(handle)) {
/* This is really bad luck. We've written the data
* but cannot extend i_size. Bail out and pretend
@@ -5330,8 +5330,10 @@ 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,
+ true);
if (IS_ERR(handle)) {
error = PTR_ERR(handle);
goto err_out;
@@ -5366,7 +5368,7 @@ int ext4_setattr(struct dentry *dentry, struct
iattr *attr)
(ext4_test_inode_flag(inode, EXT4_INODE_EOFBLOCKS)))) {
handle_t *handle;
- handle = ext4_journal_start(inode, 3);
+ handle = ext4_journal_start(inode, 3, true);
if (IS_ERR(handle)) {
error = PTR_ERR(handle);
goto err_out;
@@ -5422,7 +5424,9 @@ 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;
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index eb3bc2f..a357b9a 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -101,7 +101,7 @@ 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, true);
if (IS_ERR(handle)) {
err = PTR_ERR(handle);
goto flags_out;
@@ -157,7 +157,7 @@ flags_out:
goto setversion_out;
}
- handle = ext4_journal_start(inode, 1);
+ handle = ext4_journal_start(inode, 1, true);
if (IS_ERR(handle)) {
err = PTR_ERR(handle);
goto setversion_out;
diff --git a/fs/ext4/migrate.c b/fs/ext4/migrate.c
index b0a126f..729dcbc 100644
--- a/fs/ext4/migrate.c
+++ b/fs/ext4/migrate.c
@@ -488,7 +488,7 @@ int ext4_ext_migrate(struct inode *inode)
EXT4_DATA_TRANS_BLOCKS(inode->i_sb) +
EXT4_INDEX_EXTRA_TRANS_BLOCKS + 3 +
EXT4_MAXQUOTAS_INIT_BLOCKS(inode->i_sb)
- + 1);
+ + 1, true);
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, true);
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 b9f3e78..d5aad4d 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -813,7 +813,7 @@ 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, true);
if (IS_ERR(handle)) {
*err = PTR_ERR(handle);
return 0;
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 5485390..a3ad11f 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1739,7 +1739,8 @@ static int ext4_create(struct inode *dir, struct
dentry *dentry, int mode,
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));
+ EXT4_MAXQUOTAS_INIT_BLOCKS(dir->i_sb),
+ true);
if (IS_ERR(handle))
return PTR_ERR(handle);
@@ -1775,7 +1776,8 @@ static int ext4_mknod(struct inode *dir, struct
dentry *dentry,
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));
+ EXT4_MAXQUOTAS_INIT_BLOCKS(dir->i_sb),
+ true);
if (IS_ERR(handle))
return PTR_ERR(handle);
@@ -1814,7 +1816,8 @@ static int ext4_mkdir(struct inode *dir, struct
dentry *dentry, int mode)
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));
+ EXT4_MAXQUOTAS_INIT_BLOCKS(dir->i_sb),
+ true);
if (IS_ERR(handle))
return PTR_ERR(handle);
@@ -2127,7 +2130,8 @@ 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), true);
if (IS_ERR(handle))
return PTR_ERR(handle);
@@ -2188,7 +2192,8 @@ 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), true);
if (IS_ERR(handle))
return PTR_ERR(handle);
@@ -2246,8 +2251,9 @@ static int ext4_symlink(struct inode *dir,
retry:
handle = ext4_journal_start(dir, EXT4_DATA_TRANS_BLOCKS(dir->i_sb) +
- EXT4_INDEX_EXTRA_TRANS_BLOCKS + 5 +
- EXT4_MAXQUOTAS_INIT_BLOCKS(dir->i_sb));
+ EXT4_INDEX_EXTRA_TRANS_BLOCKS + 5 +
+ EXT4_MAXQUOTAS_INIT_BLOCKS(dir->i_sb),
+ true);
if (IS_ERR(handle))
return PTR_ERR(handle);
@@ -2313,7 +2319,7 @@ static int ext4_link(struct dentry *old_dentry,
retry:
handle = ext4_journal_start(dir, EXT4_DATA_TRANS_BLOCKS(dir->i_sb) +
- EXT4_INDEX_EXTRA_TRANS_BLOCKS);
+ EXT4_INDEX_EXTRA_TRANS_BLOCKS, true);
if (IS_ERR(handle))
return PTR_ERR(handle);
@@ -2365,7 +2371,7 @@ static int ext4_rename(struct inode *old_dir,
struct dentry *old_dentry,
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_INDEX_EXTRA_TRANS_BLOCKS + 2, true);
if (IS_ERR(handle))
return PTR_ERR(handle);
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index 3ecc6e4..e50d083 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, true);
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, true);
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, true);
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, true);
if (IS_ERR(handle)) {
err = PTR_ERR(handle);
ext4_warning(sb, "error %d on journal start", err);
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index fc32176..0e39f57 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), true);
if (IS_ERR(handle)) {
error = PTR_ERR(handle);
} else {
--
1.6.0.4
--
Thanks -
Manish
--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists