xiaomi-sm8450/android_kernel_xiaomi_sm8450
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block: kill off REQ_UNPLUG

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With the plugging now being explicitly controlled by the
submitter, callers need not pass down unplugging hints
to the block layer. If they want to unplug, it's because they
manually plugged on their own - in which case, they should just
unplug at will.

Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
This commit is contained in:
Jens Axboe
2011-03-09 11:56:30 +01:00
parent cf15900e12
commit 721a9602e6
24 changed files with 43 additions and 75 deletions
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12
fs/gfs2/lops.c
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@@ -200,7 +200,7 @@ static void buf_lo_before_commit(struct gfs2_sbd *sdp)
}
gfs2_log_unlock(sdp);
submit_bh(WRITE_SYNC_PLUG, bh);
submit_bh(WRITE_SYNC, bh);
gfs2_log_lock(sdp);
n = 0;
@@ -210,7 +210,7 @@ static void buf_lo_before_commit(struct gfs2_sbd *sdp)
gfs2_log_unlock(sdp);
lock_buffer(bd2->bd_bh);
bh = gfs2_log_fake_buf(sdp, bd2->bd_bh);
submit_bh(WRITE_SYNC_PLUG, bh);
submit_bh(WRITE_SYNC, bh);
gfs2_log_lock(sdp);
if (++n >= num)
break;
@@ -352,7 +352,7 @@ static void revoke_lo_before_commit(struct gfs2_sbd *sdp)
sdp->sd_log_num_revoke--;
if (offset + sizeof(u64) > sdp->sd_sb.sb_bsize) {
submit_bh(WRITE_SYNC_PLUG, bh);
submit_bh(WRITE_SYNC, bh);
bh = gfs2_log_get_buf(sdp);
mh = (struct gfs2_meta_header *)bh->b_data;
@@ -369,7 +369,7 @@ static void revoke_lo_before_commit(struct gfs2_sbd *sdp)
}
gfs2_assert_withdraw(sdp, !sdp->sd_log_num_revoke);
submit_bh(WRITE_SYNC_PLUG, bh);
submit_bh(WRITE_SYNC, bh);
}
static void revoke_lo_before_scan(struct gfs2_jdesc *jd,
@@ -571,7 +571,7 @@ static void gfs2_write_blocks(struct gfs2_sbd *sdp, struct buffer_head *bh,
ptr = bh_log_ptr(bh);
get_bh(bh);
submit_bh(WRITE_SYNC_PLUG, bh);
submit_bh(WRITE_SYNC, bh);
gfs2_log_lock(sdp);
while(!list_empty(list)) {
bd = list_entry(list->next, struct gfs2_bufdata, bd_le.le_list);
@@ -597,7 +597,7 @@ static void gfs2_write_blocks(struct gfs2_sbd *sdp, struct buffer_head *bh,
} else {
bh1 = gfs2_log_fake_buf(sdp, bd->bd_bh);
}
submit_bh(WRITE_SYNC_PLUG, bh1);
submit_bh(WRITE_SYNC, bh1);
gfs2_log_lock(sdp);
ptr += 2;
}