fs: xfs: Remove KM_NOSLEEP and KM_SLEEP.

Source kernel commit: 707e0ddaf67e8942448ebdd16b523e409ebe40ce

Since no caller is using KM_NOSLEEP and no callee branches on KM_SLEEP,
we can remove KM_NOSLEEP and replace KM_SLEEP with 0.

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>

15 files changed, 44 insertions, 48 deletions

diff --git a/include/kmem.h b/include/kmem.h
index 03475c6586..89475ffcb4 100644
--- a/include/kmem.h
+++ b/include/kmem.h
@@ -6,8 +6,6 @@
 #ifndef __KMEM_H__
 #define __KMEM_H__
 
-#define KM_SLEEP	0x0001u
-#define KM_NOSLEEP	0x0002u
 #define KM_NOFS		0x0004u
 #define KM_MAYFAIL	0x0008u
 #define KM_LARGE	0x0010u
diff --git a/libxfs/logitem.c b/libxfs/logitem.c
index 14c62f670b..b11df4fae6 100644
--- a/libxfs/logitem.c
+++ b/libxfs/logitem.c
@@ -97,8 +97,7 @@ xfs_buf_item_init(
 		}
 	}
 
-	bip = (xfs_buf_log_item_t *)kmem_zone_zalloc(xfs_buf_item_zone,
-						    KM_SLEEP);
+	bip = (xfs_buf_log_item_t *)kmem_zone_zalloc(xfs_buf_item_zone, 0);
 #ifdef LI_DEBUG
 	fprintf(stderr, "adding buf item %p for not-logged buffer %p\n",
 		bip, bp);
@@ -140,8 +139,7 @@ xfs_inode_item_init(
 	xfs_inode_log_item_t	*iip;
 
 	ASSERT(ip->i_itemp == NULL);
-	iip = ip->i_itemp = (xfs_inode_log_item_t *)
-			kmem_zone_zalloc(xfs_ili_zone, KM_SLEEP);
+	iip = ip->i_itemp = kmem_zone_zalloc(xfs_ili_zone, 0);
 #ifdef LI_DEBUG
 	fprintf(stderr, "inode_item_init for inode %llu, iip=%p\n",
 		ip->i_ino, iip);
diff --git a/libxfs/trans.c b/libxfs/trans.c
index cda2450fc3..42c2e9e19e 100644
--- a/libxfs/trans.c
+++ b/libxfs/trans.c
@@ -141,7 +141,7 @@ xfs_trans_dup(
 {
 	struct xfs_trans	*ntp;
 
-	ntp = kmem_zone_zalloc(xfs_trans_zone, KM_SLEEP);
+	ntp = kmem_zone_zalloc(xfs_trans_zone, 0);
 
 	/*
 	 * Initialize the new transaction structure.
@@ -258,7 +258,7 @@ libxfs_trans_alloc(
 	struct xfs_trans	*tp;
 	int			error;
 
-	tp = kmem_zone_zalloc(xfs_trans_zone, KM_SLEEP);
+	tp = kmem_zone_zalloc(xfs_trans_zone, 0);
 	tp->t_mountp = mp;
 	INIT_LIST_HEAD(&tp->t_items);
 	INIT_LIST_HEAD(&tp->t_dfops);
diff --git a/libxfs/xfs_alloc.c b/libxfs/xfs_alloc.c
index f5200ae88d..76af2f2fb3 100644
--- a/libxfs/xfs_alloc.c
+++ b/libxfs/xfs_alloc.c
@@ -2200,7 +2200,7 @@ xfs_defer_agfl_block(
 	ASSERT(xfs_bmap_free_item_zone != NULL);
 	ASSERT(oinfo != NULL);
 
-	new = kmem_zone_alloc(xfs_bmap_free_item_zone, KM_SLEEP);
+	new = kmem_zone_alloc(xfs_bmap_free_item_zone, 0);
 	new->xefi_startblock = XFS_AGB_TO_FSB(mp, agno, agbno);
 	new->xefi_blockcount = 1;
 	new->xefi_oinfo = *oinfo;
diff --git a/libxfs/xfs_attr_leaf.c b/libxfs/xfs_attr_leaf.c
index b865119cc1..65100130d7 100644
--- a/libxfs/xfs_attr_leaf.c
+++ b/libxfs/xfs_attr_leaf.c
@@ -778,7 +778,7 @@ xfs_attr_shortform_to_leaf(
 	ifp = dp->i_afp;
 	sf = (xfs_attr_shortform_t *)ifp->if_u1.if_data;
 	size = be16_to_cpu(sf->hdr.totsize);
-	tmpbuffer = kmem_alloc(size, KM_SLEEP);
+	tmpbuffer = kmem_alloc(size, 0);
 	ASSERT(tmpbuffer != NULL);
 	memcpy(tmpbuffer, ifp->if_u1.if_data, size);
 	sf = (xfs_attr_shortform_t *)tmpbuffer;
@@ -981,7 +981,7 @@ xfs_attr3_leaf_to_shortform(
 
 	trace_xfs_attr_leaf_to_sf(args);
 
-	tmpbuffer = kmem_alloc(args->geo->blksize, KM_SLEEP);
+	tmpbuffer = kmem_alloc(args->geo->blksize, 0);
 	if (!tmpbuffer)
 		return -ENOMEM;
 
@@ -1444,7 +1444,7 @@ xfs_attr3_leaf_compact(
 
 	trace_xfs_attr_leaf_compact(args);
 
-	tmpbuffer = kmem_alloc(args->geo->blksize, KM_SLEEP);
+	tmpbuffer = kmem_alloc(args->geo->blksize, 0);
 	memcpy(tmpbuffer, bp->b_addr, args->geo->blksize);
 	memset(bp->b_addr, 0, args->geo->blksize);
 	leaf_src = (xfs_attr_leafblock_t *)tmpbuffer;
@@ -2163,7 +2163,7 @@ xfs_attr3_leaf_unbalance(
 		struct xfs_attr_leafblock *tmp_leaf;
 		struct xfs_attr3_icleaf_hdr tmphdr;
 
-		tmp_leaf = kmem_zalloc(state->args->geo->blksize, KM_SLEEP);
+		tmp_leaf = kmem_zalloc(state->args->geo->blksize, 0);
 
 		/*
 		 * Copy the header into the temp leaf so that all the stuff
diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c
index 545cce11f1..f55e991912 100644
--- a/libxfs/xfs_bmap.c
+++ b/libxfs/xfs_bmap.c
@@ -546,7 +546,7 @@ __xfs_bmap_add_free(
 #endif
 	ASSERT(xfs_bmap_free_item_zone != NULL);
 
-	new = kmem_zone_alloc(xfs_bmap_free_item_zone, KM_SLEEP);
+	new = kmem_zone_alloc(xfs_bmap_free_item_zone, 0);
 	new->xefi_startblock = bno;
 	new->xefi_blockcount = (xfs_extlen_t)len;
 	if (oinfo)
@@ -1092,7 +1092,7 @@ xfs_bmap_add_attrfork(
 	if (error)
 		goto trans_cancel;
 	ASSERT(ip->i_afp == NULL);
-	ip->i_afp = kmem_zone_zalloc(xfs_ifork_zone, KM_SLEEP);
+	ip->i_afp = kmem_zone_zalloc(xfs_ifork_zone, 0);
 	ip->i_afp->if_flags = XFS_IFEXTENTS;
 	logflags = 0;
 	switch (ip->i_d.di_format) {
@@ -6087,7 +6087,7 @@ __xfs_bmap_add(
 			bmap->br_blockcount,
 			bmap->br_state);
 
-	bi = kmem_alloc(sizeof(struct xfs_bmap_intent), KM_SLEEP | KM_NOFS);
+	bi = kmem_alloc(sizeof(struct xfs_bmap_intent), KM_NOFS);
 	INIT_LIST_HEAD(&bi->bi_list);
 	bi->bi_type = type;
 	bi->bi_owner = ip;
diff --git a/libxfs/xfs_da_btree.c b/libxfs/xfs_da_btree.c
index 34e4ed737d..e7af4464c8 100644
--- a/libxfs/xfs_da_btree.c
+++ b/libxfs/xfs_da_btree.c
@@ -2095,7 +2095,7 @@ xfs_da_grow_inode_int(
 		 * If we didn't get it and the block might work if fragmented,
 		 * try without the CONTIG flag.  Loop until we get it all.
 		 */
-		mapp = kmem_alloc(sizeof(*mapp) * count, KM_SLEEP);
+		mapp = kmem_alloc(sizeof(*mapp) * count, 0);
 		for (b = *bno, mapi = 0; b < *bno + count; ) {
 			nmap = min(XFS_BMAP_MAX_NMAP, count);
 			c = (int)(*bno + count - b);
@@ -2477,7 +2477,7 @@ xfs_buf_map_from_irec(
 
 	if (nirecs > 1) {
 		map = kmem_zalloc(nirecs * sizeof(struct xfs_buf_map),
-				  KM_SLEEP | KM_NOFS);
+				  KM_NOFS);
 		if (!map)
 			return -ENOMEM;
 		*mapp = map;
@@ -2536,7 +2536,7 @@ xfs_dabuf_map(
 		 */
 		if (nfsb != 1)
 			irecs = kmem_zalloc(sizeof(irec) * nfsb,
-					    KM_SLEEP | KM_NOFS);
+					    KM_NOFS);
 
 		nirecs = nfsb;
 		error = xfs_bmapi_read(dp, (xfs_fileoff_t)bno, nfsb, irecs,
diff --git a/libxfs/xfs_defer.c b/libxfs/xfs_defer.c
index 0e6d94d8df..cff27a9b54 100644
--- a/libxfs/xfs_defer.c
+++ b/libxfs/xfs_defer.c
@@ -511,7 +511,7 @@ xfs_defer_add(
 	}
 	if (!dfp) {
 		dfp = kmem_alloc(sizeof(struct xfs_defer_pending),
-				KM_SLEEP | KM_NOFS);
+				KM_NOFS);
 		dfp->dfp_type = type;
 		dfp->dfp_intent = NULL;
 		dfp->dfp_done = NULL;
diff --git a/libxfs/xfs_dir2.c b/libxfs/xfs_dir2.c
index 0df5dd2566..b3fbc4d594 100644
--- a/libxfs/xfs_dir2.c
+++ b/libxfs/xfs_dir2.c
@@ -108,9 +108,9 @@ xfs_da_mount(
 
 	nodehdr_size = mp->m_dir_inode_ops->node_hdr_size;
 	mp->m_dir_geo = kmem_zalloc(sizeof(struct xfs_da_geometry),
-				    KM_SLEEP | KM_MAYFAIL);
+				    KM_MAYFAIL);
 	mp->m_attr_geo = kmem_zalloc(sizeof(struct xfs_da_geometry),
-				     KM_SLEEP | KM_MAYFAIL);
+				     KM_MAYFAIL);
 	if (!mp->m_dir_geo || !mp->m_attr_geo) {
 		kmem_free(mp->m_dir_geo);
 		kmem_free(mp->m_attr_geo);
@@ -215,7 +215,7 @@ xfs_dir_init(
 	if (error)
 		return error;
 
-	args = kmem_zalloc(sizeof(*args), KM_SLEEP | KM_NOFS);
+	args = kmem_zalloc(sizeof(*args), KM_NOFS);
 	if (!args)
 		return -ENOMEM;
 
@@ -252,7 +252,7 @@ xfs_dir_createname(
 		XFS_STATS_INC(dp->i_mount, xs_dir_create);
 	}
 
-	args = kmem_zalloc(sizeof(*args), KM_SLEEP | KM_NOFS);
+	args = kmem_zalloc(sizeof(*args), KM_NOFS);
 	if (!args)
 		return -ENOMEM;
 
@@ -351,7 +351,7 @@ xfs_dir_lookup(
 	 * lockdep Doing this avoids having to add a bunch of lockdep class
 	 * annotations into the reclaim path for the ilock.
 	 */
-	args = kmem_zalloc(sizeof(*args), KM_SLEEP | KM_NOFS);
+	args = kmem_zalloc(sizeof(*args), KM_NOFS);
 	args->geo = dp->i_mount->m_dir_geo;
 	args->name = name->name;
 	args->namelen = name->len;
@@ -420,7 +420,7 @@ xfs_dir_removename(
 	ASSERT(S_ISDIR(VFS_I(dp)->i_mode));
 	XFS_STATS_INC(dp->i_mount, xs_dir_remove);
 
-	args = kmem_zalloc(sizeof(*args), KM_SLEEP | KM_NOFS);
+	args = kmem_zalloc(sizeof(*args), KM_NOFS);
 	if (!args)
 		return -ENOMEM;
 
@@ -481,7 +481,7 @@ xfs_dir_replace(
 	if (rval)
 		return rval;
 
-	args = kmem_zalloc(sizeof(*args), KM_SLEEP | KM_NOFS);
+	args = kmem_zalloc(sizeof(*args), KM_NOFS);
 	if (!args)
 		return -ENOMEM;
 
diff --git a/libxfs/xfs_dir2_block.c b/libxfs/xfs_dir2_block.c
index 975dd68121..23898e3677 100644
--- a/libxfs/xfs_dir2_block.c
+++ b/libxfs/xfs_dir2_block.c
@@ -1089,7 +1089,7 @@ xfs_dir2_sf_to_block(
 	 * Copy the directory into a temporary buffer.
 	 * Then pitch the incore inode data so we can make extents.
 	 */
-	sfp = kmem_alloc(ifp->if_bytes, KM_SLEEP);
+	sfp = kmem_alloc(ifp->if_bytes, 0);
 	memcpy(sfp, oldsfp, ifp->if_bytes);
 
 	xfs_idata_realloc(dp, -ifp->if_bytes, XFS_DATA_FORK);
diff --git a/libxfs/xfs_dir2_sf.c b/libxfs/xfs_dir2_sf.c
index 0360c9678d..50bcb8a72b 100644
--- a/libxfs/xfs_dir2_sf.c
+++ b/libxfs/xfs_dir2_sf.c
@@ -164,7 +164,7 @@ xfs_dir2_block_to_sf(
 	 * can free the block and copy the formatted data into the inode literal
 	 * area.
 	 */
-	dst = kmem_alloc(mp->m_sb.sb_inodesize, KM_SLEEP);
+	dst = kmem_alloc(mp->m_sb.sb_inodesize, 0);
 	hdr = bp->b_addr;
 
 	/*
@@ -436,7 +436,7 @@ xfs_dir2_sf_addname_hard(
 
 	sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data;
 	old_isize = (int)dp->i_d.di_size;
-	buf = kmem_alloc(old_isize, KM_SLEEP);
+	buf = kmem_alloc(old_isize, 0);
 	oldsfp = (xfs_dir2_sf_hdr_t *)buf;
 	memcpy(oldsfp, sfp, old_isize);
 	/*
@@ -1096,7 +1096,7 @@ xfs_dir2_sf_toino4(
 	 * Don't want xfs_idata_realloc copying the data here.
 	 */
 	oldsize = dp->i_df.if_bytes;
-	buf = kmem_alloc(oldsize, KM_SLEEP);
+	buf = kmem_alloc(oldsize, 0);
 	oldsfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data;
 	ASSERT(oldsfp->i8count == 1);
 	memcpy(buf, oldsfp, oldsize);
@@ -1169,7 +1169,7 @@ xfs_dir2_sf_toino8(
 	 * Don't want xfs_idata_realloc copying the data here.
 	 */
 	oldsize = dp->i_df.if_bytes;
-	buf = kmem_alloc(oldsize, KM_SLEEP);
+	buf = kmem_alloc(oldsize, 0);
 	oldsfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data;
 	ASSERT(oldsfp->i8count == 0);
 	memcpy(buf, oldsfp, oldsize);
diff --git a/libxfs/xfs_inode_fork.c b/libxfs/xfs_inode_fork.c
index 5e11f1f593..45f5e5c79d 100644
--- a/libxfs/xfs_inode_fork.c
+++ b/libxfs/xfs_inode_fork.c
@@ -92,7 +92,7 @@ xfs_iformat_fork(
 		return 0;
 
 	ASSERT(ip->i_afp == NULL);
-	ip->i_afp = kmem_zone_zalloc(xfs_ifork_zone, KM_SLEEP | KM_NOFS);
+	ip->i_afp = kmem_zone_zalloc(xfs_ifork_zone, KM_NOFS);
 
 	switch (dip->di_aformat) {
 	case XFS_DINODE_FMT_LOCAL:
@@ -145,7 +145,7 @@ xfs_init_local_fork(
 
 	if (size) {
 		real_size = roundup(mem_size, 4);
-		ifp->if_u1.if_data = kmem_alloc(real_size, KM_SLEEP | KM_NOFS);
+		ifp->if_u1.if_data = kmem_alloc(real_size, KM_NOFS);
 		memcpy(ifp->if_u1.if_data, data, size);
 		if (zero_terminate)
 			ifp->if_u1.if_data[size] = '\0';
@@ -300,7 +300,7 @@ xfs_iformat_btree(
 	}
 
 	ifp->if_broot_bytes = size;
-	ifp->if_broot = kmem_alloc(size, KM_SLEEP | KM_NOFS);
+	ifp->if_broot = kmem_alloc(size, KM_NOFS);
 	ASSERT(ifp->if_broot != NULL);
 	/*
 	 * Copy and convert from the on-disk structure
@@ -365,7 +365,7 @@ xfs_iroot_realloc(
 		 */
 		if (ifp->if_broot_bytes == 0) {
 			new_size = XFS_BMAP_BROOT_SPACE_CALC(mp, rec_diff);
-			ifp->if_broot = kmem_alloc(new_size, KM_SLEEP | KM_NOFS);
+			ifp->if_broot = kmem_alloc(new_size, KM_NOFS);
 			ifp->if_broot_bytes = (int)new_size;
 			return;
 		}
@@ -380,7 +380,7 @@ xfs_iroot_realloc(
 		new_max = cur_max + rec_diff;
 		new_size = XFS_BMAP_BROOT_SPACE_CALC(mp, new_max);
 		ifp->if_broot = kmem_realloc(ifp->if_broot, new_size,
-				KM_SLEEP | KM_NOFS);
+				KM_NOFS);
 		op = (char *)XFS_BMAP_BROOT_PTR_ADDR(mp, ifp->if_broot, 1,
 						     ifp->if_broot_bytes);
 		np = (char *)XFS_BMAP_BROOT_PTR_ADDR(mp, ifp->if_broot, 1,
@@ -406,7 +406,7 @@ xfs_iroot_realloc(
 	else
 		new_size = 0;
 	if (new_size > 0) {
-		new_broot = kmem_alloc(new_size, KM_SLEEP | KM_NOFS);
+		new_broot = kmem_alloc(new_size, KM_NOFS);
 		/*
 		 * First copy over the btree block header.
 		 */
@@ -490,7 +490,7 @@ xfs_idata_realloc(
 	 * We enforce that here.
 	 */
 	ifp->if_u1.if_data = kmem_realloc(ifp->if_u1.if_data,
-			roundup(new_size, 4), KM_SLEEP | KM_NOFS);
+			roundup(new_size, 4), KM_NOFS);
 	ifp->if_bytes = new_size;
 }
 
@@ -681,7 +681,7 @@ xfs_ifork_init_cow(
 		return;
 
 	ip->i_cowfp = kmem_zone_zalloc(xfs_ifork_zone,
-				       KM_SLEEP | KM_NOFS);
+				       KM_NOFS);
 	ip->i_cowfp->if_flags = XFS_IFEXTENTS;
 	ip->i_cformat = XFS_DINODE_FMT_EXTENTS;
 	ip->i_cnextents = 0;
diff --git a/libxfs/xfs_refcount.c b/libxfs/xfs_refcount.c
index 8b72695929..a16015c819 100644
--- a/libxfs/xfs_refcount.c
+++ b/libxfs/xfs_refcount.c
@@ -1187,7 +1187,7 @@ __xfs_refcount_add(
 			blockcount);
 
 	ri = kmem_alloc(sizeof(struct xfs_refcount_intent),
-			KM_SLEEP | KM_NOFS);
+			KM_NOFS);
 	INIT_LIST_HEAD(&ri->ri_list);
 	ri->ri_type = type;
 	ri->ri_startblock = startblock;
@@ -1600,7 +1600,7 @@ xfs_refcount_recover_extent(
 	if (be32_to_cpu(rec->refc.rc_refcount) != 1)
 		return -EFSCORRUPTED;
 
-	rr = kmem_alloc(sizeof(struct xfs_refcount_recovery), KM_SLEEP);
+	rr = kmem_alloc(sizeof(struct xfs_refcount_recovery), 0);
 	xfs_refcount_btrec_to_irec(rec, &rr->rr_rrec);
 	list_add_tail(&rr->rr_list, debris);
 
diff --git a/libxfs/xfs_rmap.c b/libxfs/xfs_rmap.c
index ecdf5d40e7..5c305ec599 100644
--- a/libxfs/xfs_rmap.c
+++ b/libxfs/xfs_rmap.c
@@ -2285,7 +2285,7 @@ __xfs_rmap_add(
 			bmap->br_blockcount,
 			bmap->br_state);
 
-	ri = kmem_alloc(sizeof(struct xfs_rmap_intent), KM_SLEEP | KM_NOFS);
+	ri = kmem_alloc(sizeof(struct xfs_rmap_intent), KM_NOFS);
 	INIT_LIST_HEAD(&ri->ri_list);
 	ri->ri_type = type;
 	ri->ri_owner = owner;
diff --git a/libxlog/xfs_log_recover.c b/libxlog/xfs_log_recover.c
index ab56fcd8e4..ae4213959a 100644
--- a/libxlog/xfs_log_recover.c
+++ b/libxlog/xfs_log_recover.c
@@ -1003,7 +1003,7 @@ xlog_recover_new_tid(
 {
 	xlog_recover_t		*trans;
 
-	trans = kmem_zalloc(sizeof(xlog_recover_t), KM_SLEEP);
+	trans = kmem_zalloc(sizeof(xlog_recover_t), 0);
 	trans->r_log_tid   = tid;
 	trans->r_lsn	   = lsn;
 	INIT_LIST_HEAD(&trans->r_itemq);
@@ -1018,7 +1018,7 @@ xlog_recover_add_item(
 {
 	xlog_recover_item_t	*item;
 
-	item = kmem_zalloc(sizeof(xlog_recover_item_t), KM_SLEEP);
+	item = kmem_zalloc(sizeof(xlog_recover_item_t), 0);
 	INIT_LIST_HEAD(&item->ri_list);
 	list_add_tail(&item->ri_list, head);
 }
@@ -1048,7 +1048,7 @@ xlog_recover_add_to_cont_trans(
 	old_ptr = item->ri_buf[item->ri_cnt-1].i_addr;
 	old_len = item->ri_buf[item->ri_cnt-1].i_len;
 
-	ptr = kmem_realloc(old_ptr, len+old_len, KM_SLEEP);
+	ptr = kmem_realloc(old_ptr, len+old_len, 0);
 	memcpy(&ptr[old_len], dp, len); /* d, s, l */
 	item->ri_buf[item->ri_cnt-1].i_len += len;
 	item->ri_buf[item->ri_cnt-1].i_addr = ptr;
@@ -1096,7 +1096,7 @@ xlog_recover_add_to_trans(
 		return 0;
 	}
 
-	ptr = kmem_alloc(len, KM_SLEEP);
+	ptr = kmem_alloc(len, 0);
 	memcpy(ptr, dp, len);
 	in_f = (struct xfs_inode_log_format *)ptr;
 
@@ -1124,7 +1124,7 @@ xlog_recover_add_to_trans(
 		item->ri_total = in_f->ilf_size;
 		item->ri_buf =
 			kmem_zalloc(item->ri_total * sizeof(xfs_log_iovec_t),
-				    KM_SLEEP);
+				    0);
 	}
 	ASSERT(item->ri_total > item->ri_cnt);
 	/* Description region is ri_buf[0] */