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btrfs-progs: fix defrag threshold overflow 

btrfs fi defrag -t 1T overflows the u32 thresh variable and default,
instead of max, threshold is used.

Signed-off-by: Patrik Lundquist <patrik.lundquist@gmail.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
This commit is contained in:
Patrik Lundquist 2015-06-24 16:21:06 +02:00 committed by David Sterba
parent ce63aed165
commit 96cfbbf0ea
1 changed files with 2 additions and 2 deletions
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4
cmds-filesystem.c
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@ -1127,7 +1127,7 @@ static int cmd_defrag(int argc, char **argv)
int flush = 0;
u64 start = 0;
u64 len = (u64)-1;
u32 thresh = 0;
u64 thresh = 0;
int i;
int recursive = 0;
int ret = 0;
@ -1186,7 +1186,7 @@ static int cmd_defrag(int argc, char **argv)
memset(&defrag_global_range, 0, sizeof(range));
defrag_global_range.start = start;
defrag_global_range.len = len;
defrag_global_range.extent_thresh = thresh;
defrag_global_range.extent_thresh = thresh > (u32)-1 ? (u32)-1 : (u32)thresh;
if (compress_type) {
defrag_global_range.flags |= BTRFS_DEFRAG_RANGE_COMPRESS;
defrag_global_range.compress_type = compress_type;