diff options
| author | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2007-08-28 21:29:32 +0300 |
|---|---|---|
| committer | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2007-10-14 13:10:20 +0300 |
| commit | 33818bbb84cd371b63ed8849cc5264d24c8b3aa2 (patch) | |
| tree | ecee6a8f02d2d103c6eb33cc6173e74343b1861b /drivers/mtd/ubi/scan.c | |
| parent | ef6075fbfca9139f428d52d60e671da38aa2e212 (diff) | |
UBI: allocate memory with GFP_NOFS
Use GFP_NOFS flag when allocating memory on I/O path, because otherwise
we may deadlock the filesystem which works on top of us. We observed
the deadlocks with UBIFS. Example:
VFS->FS lock a lock->UBI->kmalloc()->VFS writeback->FS locks the same
lock again.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Diffstat (limited to 'drivers/mtd/ubi/scan.c')
| -rw-r--r-- | drivers/mtd/ubi/scan.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mtd/ubi/scan.c b/drivers/mtd/ubi/scan.c index 18c347b24e2..1c1401d6958 100644 --- a/drivers/mtd/ubi/scan.c +++ b/drivers/mtd/ubi/scan.c @@ -323,7 +323,7 @@ static int compare_lebs(const struct ubi_device *ubi, } else { pnum = seb->pnum; - vh = ubi_zalloc_vid_hdr(ubi); + vh = ubi_zalloc_vid_hdr(ubi, GFP_KERNEL); if (!vh) return -ENOMEM; @@ -948,7 +948,7 @@ struct ubi_scan_info *ubi_scan(struct ubi_device *ubi) if (!ech) goto out_si; - vidh = ubi_zalloc_vid_hdr(ubi); + vidh = ubi_zalloc_vid_hdr(ubi, GFP_KERNEL); if (!vidh) goto out_ech; |