[PATCH RESEND] bfs: fix i_blocks accounting

From: Wei Fang
Date: Mon Mar 21 2016 - 07:28:41 EST


Update inode->i_blocks if succeed to get block, otherwise we'll
get wrong number of blocks.

Signed-off-by: Wei Fang <fangwei1@xxxxxxxxxx>
---
fs/bfs/file.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/fs/bfs/file.c b/fs/bfs/file.c
index 97f1b51..f89abdb 100644
--- a/fs/bfs/file.c
+++ b/fs/bfs/file.c
@@ -108,6 +108,7 @@ static int bfs_get_block(struct inode *inode, sector_t block,
map_bh(bh_result, sb, phys);
info->si_freeb -= phys - bi->i_eblock;
info->si_lf_eblk = bi->i_eblock = phys;
+ inode->i_blocks = block + 1;
mark_inode_dirty(inode);
err = 0;
goto out;
@@ -141,7 +142,8 @@ static int bfs_get_block(struct inode *inode, sector_t block,
* This assumes nothing can write the inode back while we are here
* and thus update inode->i_blocks! (XXX)
*/
- info->si_freeb -= bi->i_eblock - bi->i_sblock + 1 - inode->i_blocks;
+ info->si_freeb -= block + 1 - inode->i_blocks;
+ inode->i_blocks = block + 1;
mark_inode_dirty(inode);
map_bh(bh_result, sb, phys);
out:
--
1.7.1