diff options
Diffstat (limited to 'fs/ocfs2/file.c')
| -rw-r--r-- | fs/ocfs2/file.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index a80f31776d94..6745086da6fd 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -527,20 +527,21 @@ leave: * understand sparse inodes. */ int ocfs2_lock_allocators(struct inode *inode, struct ocfs2_dinode *di, - u32 clusters_to_add, + u32 clusters_to_add, u32 extents_to_split, struct ocfs2_alloc_context **data_ac, struct ocfs2_alloc_context **meta_ac) { int ret, num_free_extents; + unsigned int max_recs_needed = clusters_to_add + 2 * extents_to_split; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); *meta_ac = NULL; *data_ac = NULL; mlog(0, "extend inode %llu, i_size = %lld, di->i_clusters = %u, " - "clusters_to_add = %u\n", + "clusters_to_add = %u, extents_to_split = %u\n", (unsigned long long)OCFS2_I(inode)->ip_blkno, i_size_read(inode), - le32_to_cpu(di->i_clusters), clusters_to_add); + le32_to_cpu(di->i_clusters), clusters_to_add, extents_to_split); num_free_extents = ocfs2_num_free_extents(osb, inode, di); if (num_free_extents < 0) { @@ -558,9 +559,12 @@ int ocfs2_lock_allocators(struct inode *inode, struct ocfs2_dinode *di, * * Most of the time we'll only be seeing this 1 cluster at a time * anyway. + * + * Always lock for any unwritten extents - we might want to + * add blocks during a split. */ if (!num_free_extents || - (ocfs2_sparse_alloc(osb) && num_free_extents < clusters_to_add)) { + (ocfs2_sparse_alloc(osb) && num_free_extents < max_recs_needed)) { ret = ocfs2_reserve_new_metadata(osb, di, meta_ac); if (ret < 0) { if (ret != -ENOSPC) @@ -641,7 +645,7 @@ restart_all: down_write(&OCFS2_I(inode)->ip_alloc_sem); drop_alloc_sem = 1; - status = ocfs2_lock_allocators(inode, fe, clusters_to_add, &data_ac, + status = ocfs2_lock_allocators(inode, fe, clusters_to_add, 0, &data_ac, &meta_ac); if (status) { mlog_errno(status); |