diff options
Diffstat (limited to 'fs/ext4/indirect.c')
| -rw-r--r-- | fs/ext4/indirect.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/fs/ext4/indirect.c b/fs/ext4/indirect.c index 0962642119c..3cfc73fbca8 100644 --- a/fs/ext4/indirect.c +++ b/fs/ext4/indirect.c @@ -699,6 +699,13 @@ int ext4_ind_map_blocks(handle_t *handle, struct inode *inode, /* * Okay, we need to do block allocation. */ + if (EXT4_HAS_RO_COMPAT_FEATURE(inode->i_sb, + EXT4_FEATURE_RO_COMPAT_BIGALLOC)) { + EXT4_ERROR_INODE(inode, "Can't allocate blocks for " + "non-extent mapped inodes with bigalloc"); + return -ENOSPC; + } + goal = ext4_find_goal(inode, map->m_lblk, partial); /* the number of blocks need to allocate for [d,t]indirect blocks */ @@ -1343,7 +1350,9 @@ void ext4_ind_truncate(struct inode *inode) __le32 nr = 0; int n = 0; ext4_lblk_t last_block, max_block; + loff_t page_len; unsigned blocksize = inode->i_sb->s_blocksize; + int err; handle = start_transaction(inode); if (IS_ERR(handle)) @@ -1354,9 +1363,16 @@ void ext4_ind_truncate(struct inode *inode) max_block = (EXT4_SB(inode->i_sb)->s_bitmap_maxbytes + blocksize-1) >> EXT4_BLOCK_SIZE_BITS(inode->i_sb); - if (inode->i_size & (blocksize - 1)) - if (ext4_block_truncate_page(handle, mapping, inode->i_size)) + if (inode->i_size % PAGE_CACHE_SIZE != 0) { + page_len = PAGE_CACHE_SIZE - + (inode->i_size & (PAGE_CACHE_SIZE - 1)); + + err = ext4_discard_partial_page_buffers(handle, + mapping, inode->i_size, page_len, 0); + + if (err) goto out_stop; + } if (last_block != max_block) { n = ext4_block_to_path(inode, last_block, offsets, NULL); |