diff options
Diffstat (limited to 'fs/ext4/extents.c')
| -rw-r--r-- | fs/ext4/extents.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index dabc3b68d24..42c4c0c892e 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -2565,6 +2565,7 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode, int err = 0, depth, ret; unsigned long allocated = 0; struct ext4_allocation_request ar; + loff_t disksize; __clear_bit(BH_New, &bh_result->b_state); ext_debug("blocks %u/%lu requested for inode %u\n", @@ -2755,8 +2756,13 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode, newblock = ext_pblock(&newex); allocated = ext4_ext_get_actual_len(&newex); outnew: - if (extend_disksize && inode->i_size > EXT4_I(inode)->i_disksize) - EXT4_I(inode)->i_disksize = inode->i_size; + if (extend_disksize) { + disksize = ((loff_t) iblock + ar.len) << inode->i_blkbits; + if (disksize > i_size_read(inode)) + disksize = i_size_read(inode); + if (disksize > EXT4_I(inode)->i_disksize) + EXT4_I(inode)->i_disksize = disksize; + } set_buffer_new(bh_result); |