Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

GFS2: replace kmalloc - __vmalloc / memset 0

Browse source 
Use kzalloc and __vmalloc __GFP_ZERO for clean sd_quota_bitmap allocation.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Fabian Frederick 2014-02-26 19:07:56 +01:00 committed by Steven Whitehouse
parent b1ab1e44b4
commit fcf10d38af
1 changed files with 3 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
fs/gfs2/quota.c
View file

@ -1242,14 +1242,13 @@ int gfs2_quota_init(struct gfs2_sbd *sdp)
bm_size = DIV_ROUND_UP(sdp->sd_quota_slots, 8 * sizeof(unsigned long)); bm_size = DIV_ROUND_UP(sdp->sd_quota_slots, 8 * sizeof(unsigned long));
bm_size *= sizeof(unsigned long); bm_size *= sizeof(unsigned long);
error = -ENOMEM; error = -ENOMEM;
sdp->sd_quota_bitmap = kmalloc(bm_size, GFP_NOFS|__GFP_NOWARN); sdp->sd_quota_bitmap = kzalloc(bm_size, GFP_NOFS | __GFP_NOWARN);
if (sdp->sd_quota_bitmap == NULL) if (sdp->sd_quota_bitmap == NULL)
sdp->sd_quota_bitmap = __vmalloc(bm_size, GFP_NOFS, PAGE_KERNEL); sdp->sd_quota_bitmap = __vmalloc(bm_size, GFP_NOFS |
__GFP_ZERO, PAGE_KERNEL);
if (!sdp->sd_quota_bitmap) if (!sdp->sd_quota_bitmap)
return error; return error;
memset(sdp->sd_quota_bitmap, 0, bm_size);
for (x = 0; x < blocks; x++) { for (x = 0; x < blocks; x++) {
struct buffer_head *bh; struct buffer_head *bh;
const struct gfs2_quota_change *qc; const struct gfs2_quota_change *qc;