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libdm: use a constant for FIEMAP buffer size

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This commit is contained in:
Bryn M. Reeves 2016-07-08 21:13:25 +01:00
parent 58bfea6a6e
commit 2d1f03b616
1 changed files with 2 additions and 1 deletions
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3
libdm/libdm-stats.c
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@ -37,6 +37,7 @@
#define STATS_ROW_BUF_LEN 4096 #define STATS_ROW_BUF_LEN 4096
#define STATS_MSG_BUF_LEN 1024 #define STATS_MSG_BUF_LEN 1024
#define STATS_FIE_BUF_LEN 2048
#define SECTOR_SHIFT 9L #define SECTOR_SHIFT 9L
@ -4147,7 +4148,7 @@ static int _stats_add_extent(struct dm_pool *mem, struct fiemap_extent *fm_ext,
static struct _extent *_stats_get_extents_for_file(struct dm_pool *mem, int fd, static struct _extent *_stats_get_extents_for_file(struct dm_pool *mem, int fd,
uint64_t *count) uint64_t *count)
{ {
uint64_t buf[2048]; uint64_t buf[STATS_FIE_BUF_LEN];
struct fiemap *fiemap = (struct fiemap *)buf; struct fiemap *fiemap = (struct fiemap *)buf;
struct fiemap_extent *fm_ext = &fiemap->fm_extents[0]; struct fiemap_extent *fm_ext = &fiemap->fm_extents[0];
struct fiemap_extent fm_last = {0}; struct fiemap_extent fm_last = {0};