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| author | Chandan Rajendra <chandan@linux.vnet.ibm.com> | 2016-11-14 21:04:37 -0500 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2016-11-14 21:04:37 -0500 |
| commit | 69e43e8cc971a79dd1ee5d4343d8e63f82725123 (patch) | |
| tree | 8e1933d278aaf637af3393ea4c48e38ca3f389c9 /fs/ext4/mballoc.c | |
| parent | 1566a48aaa10c6bb29b9a69dd8279f9a4fc41e35 (diff) | |
| download | linux-69e43e8cc971a79dd1ee5d4343d8e63f82725123.tar.gz linux-69e43e8cc971a79dd1ee5d4343d8e63f82725123.tar.bz2 linux-69e43e8cc971a79dd1ee5d4343d8e63f82725123.zip | |
ext4: fix mballoc breakage with 64k block size
'border' variable is set to a value of 2 times the block size of the
underlying filesystem. With 64k block size, the resulting value won't
fit into a 16-bit variable. Hence this commit changes the data type of
'border' to 'unsigned int'.
Fixes: c9de560ded61f
Signed-off-by: Chandan Rajendra <chandan@linux.vnet.ibm.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Andreas Dilger <adilger@dilger.ca>
Cc: stable@vger.kernel.org
Diffstat (limited to 'fs/ext4/mballoc.c')
| -rw-r--r-- | fs/ext4/mballoc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index f418f55c2bbe..a937ac7ef99f 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -669,7 +669,7 @@ static void ext4_mb_mark_free_simple(struct super_block *sb, ext4_grpblk_t min; ext4_grpblk_t max; ext4_grpblk_t chunk; - unsigned short border; + unsigned int border; BUG_ON(len > EXT4_CLUSTERS_PER_GROUP(sb)); |