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| author | Arnd Bergmann <arnd@arndb.de> | 2014-03-17 15:31:30 +0100 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2014-03-17 15:31:30 +0100 |
| commit | f18651eb2c7ac13b9dd0e3b357d07e1d4cd8e00d (patch) | |
| tree | f451e22f54d6f7a3d85bbed929750ee2a84d7dbb /fs/bio.c | |
| parent | MAINTAINERS: ARM: clps711x: Use regex patterns to involve all CLPS711X drivers (diff) | |
| parent | ARM: OMAP4: hwmod data: correct the idlemodes for spinlock (diff) | |
| download | linux-f18651eb2c7ac13b9dd0e3b357d07e1d4cd8e00d.tar.xz linux-f18651eb2c7ac13b9dd0e3b357d07e1d4cd8e00d.zip | |
Merge tag 'omap-for-v3.15/fixes-for-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/fixes-non-critical
Merge "omap fixes for v3.15 merge window" from Tony Lindgren:
Fixes for omaps that would be good to get in before v3.15-rc1.
* tag 'omap-for-v3.15/fixes-for-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP4: hwmod data: correct the idlemodes for spinlock
ARM: dts: am33xx: correcting dt node unit address for usb
ARM: dts: omap4/5: Use l3_ick for the gpmc node
CLK: TI: OMAP4/5/DRA7: Remove gpmc_fck from dummy clocks
ARM: OMAP4: Fix definition of IS_PM44XX_ERRATUM
ARM: OMAP2+: INTC: Acknowledge stuck active interrupts
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'fs/bio.c')
| -rw-r--r-- | fs/bio.c | 15 |
1 files changed, 10 insertions, 5 deletions
@@ -611,7 +611,6 @@ EXPORT_SYMBOL(bio_clone_fast); struct bio *bio_clone_bioset(struct bio *bio_src, gfp_t gfp_mask, struct bio_set *bs) { - unsigned nr_iovecs = 0; struct bvec_iter iter; struct bio_vec bv; struct bio *bio; @@ -638,10 +637,7 @@ struct bio *bio_clone_bioset(struct bio *bio_src, gfp_t gfp_mask, * __bio_clone_fast() anyways. */ - bio_for_each_segment(bv, bio_src, iter) - nr_iovecs++; - - bio = bio_alloc_bioset(gfp_mask, nr_iovecs, bs); + bio = bio_alloc_bioset(gfp_mask, bio_segments(bio_src), bs); if (!bio) return NULL; @@ -650,9 +646,18 @@ struct bio *bio_clone_bioset(struct bio *bio_src, gfp_t gfp_mask, bio->bi_iter.bi_sector = bio_src->bi_iter.bi_sector; bio->bi_iter.bi_size = bio_src->bi_iter.bi_size; + if (bio->bi_rw & REQ_DISCARD) + goto integrity_clone; + + if (bio->bi_rw & REQ_WRITE_SAME) { + bio->bi_io_vec[bio->bi_vcnt++] = bio_src->bi_io_vec[0]; + goto integrity_clone; + } + bio_for_each_segment(bv, bio_src, iter) bio->bi_io_vec[bio->bi_vcnt++] = bv; +integrity_clone: if (bio_integrity(bio_src)) { int ret; |