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| author | Jan Kara <jack@suse.cz> | 2012-11-13 17:05:14 +0100 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2012-11-19 21:34:33 +0100 |
| commit | 7af11686933726e99af22901d622f9e161404e6b (patch) | |
| tree | a693298183889f319942b70ab1013a5e14a4673c /fs/reiserfs/stree.c | |
| parent | 361d94a338a3fd0cee6a4ea32bbc427ba228e628 (diff) | |
| download | lwn-7af11686933726e99af22901d622f9e161404e6b.tar.gz lwn-7af11686933726e99af22901d622f9e161404e6b.zip | |
reiserfs: Move quota calls out of write lock
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.
CC: stable@vger.kernel.org # >= 3.0
Signed-off-by: Jan Kara <jack@suse.cz>
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 f8afa4b162b8..2f40a4c70a4d 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; |