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| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2008-09-08 23:08:40 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2008-09-08 23:08:40 -0400 |
| commit | 166348dd37a4baacfb6fe495954b56f56b116f0c (patch) | |
| tree | afb36ca25ec3bdbd4397a5b952bc78be1e5feff9 | |
| parent | 68629f29c6764c37ebdceec2f6bbef6637eaf420 (diff) | |
| download | blackbird-op-linux-166348dd37a4baacfb6fe495954b56f56b116f0c.tar.gz blackbird-op-linux-166348dd37a4baacfb6fe495954b56f56b116f0c.zip | |
ext4: Don't add the inode to journal handle until after the block is allocated
Make sure we don't add the inode to the journal handle until after the
block allocation, so that a journal commit will not include the inode in
case of block allocation failure.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
| -rw-r--r-- | fs/ext4/balloc.c | 2 | ||||
| -rw-r--r-- | fs/ext4/inode.c | 36 |
2 files changed, 16 insertions, 22 deletions
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c index ae26c37e398e..cca7fd53ad7b 100644 --- a/fs/ext4/balloc.c +++ b/fs/ext4/balloc.c @@ -2063,7 +2063,7 @@ ext4_fsblk_t ext4_new_meta_blocks(handle_t *handle, struct inode *inode, /* * Account for the allocated meta blocks */ - if (!(*errp)) { + if (!(*errp) && EXT4_I(inode)->i_delalloc_reserved_flag) { spin_lock(&EXT4_I(inode)->i_block_reservation_lock); EXT4_I(inode)->i_allocated_meta_blocks += *count; spin_unlock(&EXT4_I(inode)->i_block_reservation_lock); diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index b1a6a7373f07..b567e71f5be9 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -2170,18 +2170,24 @@ static int ext4_da_get_block_write(struct inode *inode, sector_t iblock, handle_t *handle = NULL; handle = ext4_journal_current_handle(); - if (!handle) { - ret = ext4_get_blocks_wrap(handle, inode, iblock, max_blocks, - bh_result, 0, 0, 0); - BUG_ON(!ret); - } else { - ret = ext4_get_blocks_wrap(handle, inode, iblock, max_blocks, - bh_result, create, 0, EXT4_DELALLOC_RSVED); - } - + BUG_ON(!handle); + ret = ext4_get_blocks_wrap(handle, inode, iblock, max_blocks, + bh_result, create, 0, EXT4_DELALLOC_RSVED); if (ret > 0) { + bh_result->b_size = (ret << inode->i_blkbits); + if (ext4_should_order_data(inode)) { + int retval; + retval = ext4_jbd2_file_inode(handle, inode); + if (retval) + /* + * Failed to add inode for ordered + * mode. Don't update file size + */ + return retval; + } + /* * Update on-disk size along with block allocation * we don't use 'extend_disksize' as size may change @@ -2407,18 +2413,6 @@ restart_loop: dump_stack(); goto out_writepages; } - if (ext4_should_order_data(inode)) { - /* - * With ordered mode we need to add - * the inode to the journal handl - * when we do block allocation. - */ - ret = ext4_jbd2_file_inode(handle, inode); - if (ret) { - ext4_journal_stop(handle); - goto out_writepages; - } - } to_write -= wbc->nr_to_write; ret = mpage_da_writepages(mapping, wbc, |
