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| author | Jan Kara <jack@suse.cz> | 2012-11-13 17:05:14 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-11-26 11:34:56 -0800 |
| commit | 2f21676d17f0c67263e87f13859682712b643323 (patch) | |
| tree | 02d852bb83e5b9e9e1afd5155bbceaffb50c6693 /fs/reiserfs/stree.c | |
| parent | a7b8408f3c42adc601513bb7b8dae9ef05a1719e (diff) | |
| download | kernel_samsung_smdk4412-2f21676d17f0c67263e87f13859682712b643323.zip kernel_samsung_smdk4412-2f21676d17f0c67263e87f13859682712b643323.tar.gz kernel_samsung_smdk4412-2f21676d17f0c67263e87f13859682712b643323.tar.bz2 | |
reiserfs: Move quota calls out of write lock
commit 7af11686933726e99af22901d622f9e161404e6b upstream.
Calls into highlevel quota code cannot happen under the write lock. These
calls take dqio_mutex which ranks above write lock. So drop write lock
before calling back into quota code.
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/reiserfs/stree.c')
| -rw-r--r-- | fs/reiserfs/stree.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/reiserfs/stree.c b/fs/reiserfs/stree.c index 313d39d..3ae9926 100644 --- a/fs/reiserfs/stree.c +++ b/fs/reiserfs/stree.c @@ -1968,7 +1968,9 @@ int reiserfs_paste_into_item(struct reiserfs_transaction_handle *th, struct tree key2type(&(key->on_disk_key))); #endif + reiserfs_write_unlock(inode->i_sb); retval = dquot_alloc_space_nodirty(inode, pasted_size); + reiserfs_write_lock(inode->i_sb); if (retval) { pathrelse(search_path); return retval; @@ -2061,9 +2063,11 @@ int reiserfs_insert_item(struct reiserfs_transaction_handle *th, "reiserquota insert_item(): allocating %u id=%u type=%c", quota_bytes, inode->i_uid, head2type(ih)); #endif + reiserfs_write_unlock(inode->i_sb); /* We can't dirty inode here. It would be immediately written but * appropriate stat item isn't inserted yet... */ retval = dquot_alloc_space_nodirty(inode, quota_bytes); + reiserfs_write_lock(inode->i_sb); if (retval) { pathrelse(path); return retval; |