@@ -3795,7 +3795,7 @@ static int get_implied_cluster_alloc(struct super_block *sb,
int ext4_ext_map_blocks(handle_t *handle, struct inode *inode,
struct ext4_map_blocks *map, int flags)
{
- struct ext4_ext_path *path = NULL;
+ struct ext4_ext_path *path;
struct ext4_extent newex, *ex, *ex2;
struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
ext4_fsblk_t newblock = 0;
@@ -3811,6 +3811,9 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode,
map->m_lblk, map->m_len, inode->i_ino);
trace_ext4_ext_map_blocks_enter(inode, map->m_lblk, map->m_len, flags);
+again:
+ path = NULL;
+
/* check in cache */
if (!(flags & EXT4_GET_BLOCKS_PUNCH_OUT_EXT) &&
ext4_ext_in_cache(inode, map->m_lblk, &newex)) {
@@ -3904,6 +3907,8 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode,
}
ret = ext4_ext_handle_punched_extent(handle, inode,
map, path);
+ if (ret == -EAGAIN)
+ goto again;
return ret;
}
}
ext4_ext_rm_leaf() may return -EAGAIN due to transaction restart, repeat attempt in that case. Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> --- fs/ext4/extents.c | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletions(-)