fs: xfs: Remove KM_NOSLEEP and KM_SLEEP.

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>

46 files changed, 102 insertions, 109 deletions

diff --git a/fs/xfs/kmem.c b/fs/xfs/kmem.c
index 16bb9a328678..7cd315ad937e 100644
--- a/fs/xfs/kmem.c
+++ b/fs/xfs/kmem.c
@@ -17,7 +17,7 @@ kmem_alloc(size_t size, xfs_km_flags_t flags)
 
         do {
                 ptr = kmalloc(size, lflags);
-                if (ptr || (flags & (KM_MAYFAIL|KM_NOSLEEP)))
+                if (ptr || (flags & KM_MAYFAIL))
                         return ptr;
                 if (!(++retries % 100))
                         xfs_err(NULL,
@@ -67,7 +67,7 @@ kmem_realloc(const void *old, size_t newsize, xfs_km_flags_t flags)
 
         do {
                 ptr = krealloc(old, newsize, lflags);
-                if (ptr || (flags & (KM_MAYFAIL|KM_NOSLEEP)))
+                if (ptr || (flags & KM_MAYFAIL))
                         return ptr;
                 if (!(++retries % 100))
                         xfs_err(NULL,
@@ -87,7 +87,7 @@ kmem_zone_alloc(kmem_zone_t *zone, xfs_km_flags_t flags)
 
         do {
                 ptr = kmem_cache_alloc(zone, lflags);
-                if (ptr || (flags & (KM_MAYFAIL|KM_NOSLEEP)))
+                if (ptr || (flags & KM_MAYFAIL))
                         return ptr;
                 if (!(++retries % 100))
                         xfs_err(NULL,
diff --git a/fs/xfs/kmem.h b/fs/xfs/kmem.h
index 267655acd426..cb6fa7984ffa 100644
--- a/fs/xfs/kmem.h
+++ b/fs/xfs/kmem.h
@@ -16,8 +16,6 @@
  */
 
 typedef unsigned __bitwise xfs_km_flags_t;
-#define KM_SLEEP        ((__force xfs_km_flags_t)0x0001u)
-#define KM_NOSLEEP      ((__force xfs_km_flags_t)0x0002u)
 #define KM_NOFS         ((__force xfs_km_flags_t)0x0004u)
 #define KM_MAYFAIL      ((__force xfs_km_flags_t)0x0008u)
 #define KM_ZERO         ((__force xfs_km_flags_t)0x0010u)
@@ -32,15 +30,11 @@ kmem_flags_convert(xfs_km_flags_t flags)
 {
         gfp_t   lflags;
 
-        BUG_ON(flags & ~(KM_SLEEP|KM_NOSLEEP|KM_NOFS|KM_MAYFAIL|KM_ZERO));
+        BUG_ON(flags & ~(KM_NOFS|KM_MAYFAIL|KM_ZERO));
 
-        if (flags & KM_NOSLEEP) {
-                lflags = GFP_ATOMIC | __GFP_NOWARN;
-        } else {
-                lflags = GFP_KERNEL | __GFP_NOWARN;
-                if (flags & KM_NOFS)
-                        lflags &= ~__GFP_FS;
-        }
+        lflags = GFP_KERNEL | __GFP_NOWARN;
+        if (flags & KM_NOFS)
+                lflags &= ~__GFP_FS;
 
         /*
          * Default page/slab allocator behavior is to retry for ever
diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c
index 372ad55631fc..533b04aaf6f6 100644
--- a/fs/xfs/libxfs/xfs_alloc.c
+++ b/fs/xfs/libxfs/xfs_alloc.c
@@ -2205,7 +2205,7 @@ 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/fs/xfs/libxfs/xfs_attr_leaf.c b/fs/xfs/libxfs/xfs_attr_leaf.c
index 70eb941d02e4..1408638c21c5 100644
--- a/fs/xfs/libxfs/xfs_attr_leaf.c
+++ b/fs/xfs/libxfs/xfs_attr_leaf.c
@@ -782,7 +782,7 @@ 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;
@@ -985,7 +985,7 @@ 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;
 
@@ -1448,7 +1448,7 @@ 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;
@@ -2167,7 +2167,7 @@ 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/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 07aad70f3931..65f4348af9ae 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -553,7 +553,7 @@ __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)
@@ -1099,7 +1099,7 @@ 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) {
@@ -6094,7 +6094,7 @@ __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/fs/xfs/libxfs/xfs_da_btree.c b/fs/xfs/libxfs/xfs_da_btree.c
index 0bf56e94bfe9..4fd1223c1bd5 100644
--- a/fs/xfs/libxfs/xfs_da_btree.c
+++ b/fs/xfs/libxfs/xfs_da_btree.c
@@ -2098,7 +2098,7 @@ 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);
@@ -2480,7 +2480,7 @@ 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;
@@ -2539,7 +2539,7 @@ 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/fs/xfs/libxfs/xfs_defer.c b/fs/xfs/libxfs/xfs_defer.c
index eb2be2a6a25a..22557527cfdb 100644
--- a/fs/xfs/libxfs/xfs_defer.c
+++ b/fs/xfs/libxfs/xfs_defer.c
@@ -517,7 +517,7 @@ 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/fs/xfs/libxfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c
index 67840723edbb..867c5dee0751 100644
--- a/fs/xfs/libxfs/xfs_dir2.c
+++ b/fs/xfs/libxfs/xfs_dir2.c
@@ -110,9 +110,9 @@ 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);
@@ -217,7 +217,7 @@ 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;
 
@@ -254,7 +254,7 @@ 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;
 
@@ -353,7 +353,7 @@ 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;
@@ -422,7 +422,7 @@ 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;
 
@@ -483,7 +483,7 @@ 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/fs/xfs/libxfs/xfs_dir2_block.c b/fs/xfs/libxfs/xfs_dir2_block.c
index a6fb0cc2085e..9595ced393dc 100644
--- a/fs/xfs/libxfs/xfs_dir2_block.c
+++ b/fs/xfs/libxfs/xfs_dir2_block.c
@@ -1092,7 +1092,7 @@ 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/fs/xfs/libxfs/xfs_dir2_sf.c b/fs/xfs/libxfs/xfs_dir2_sf.c
index 033589257f54..85f14fc2a8da 100644
--- a/fs/xfs/libxfs/xfs_dir2_sf.c
+++ b/fs/xfs/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/fs/xfs/libxfs/xfs_inode_fork.c b/fs/xfs/libxfs/xfs_inode_fork.c
index bf3e04018246..c643beeb5a24 100644
--- a/fs/xfs/libxfs/xfs_inode_fork.c
+++ b/fs/xfs/libxfs/xfs_inode_fork.c
@@ -94,7 +94,7 @@ 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:
@@ -147,7 +147,7 @@ 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';
@@ -302,7 +302,7 @@ 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
@@ -367,7 +367,7 @@ 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;
                 }
@@ -382,7 +382,7 @@ 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,
@@ -408,7 +408,7 @@ 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.
                  */
@@ -492,7 +492,7 @@ 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;
 }
 
@@ -683,7 +683,7 @@ 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/fs/xfs/libxfs/xfs_refcount.c b/fs/xfs/libxfs/xfs_refcount.c
index 51bb9bdb0e84..14b9e3e056cc 100644
--- a/fs/xfs/libxfs/xfs_refcount.c
+++ b/fs/xfs/libxfs/xfs_refcount.c
@@ -1189,7 +1189,7 @@ __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;
@@ -1602,7 +1602,7 @@ 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/fs/xfs/libxfs/xfs_rmap.c b/fs/xfs/libxfs/xfs_rmap.c
index e6aeb390b2fb..12a61f0c1e6a 100644
--- a/fs/xfs/libxfs/xfs_rmap.c
+++ b/fs/xfs/libxfs/xfs_rmap.c
@@ -2287,7 +2287,7 @@ __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/fs/xfs/scrub/attr.c b/fs/xfs/scrub/attr.c
index 1afc58bf71dd..922a5154e2b8 100644
--- a/fs/xfs/scrub/attr.c
+++ b/fs/xfs/scrub/attr.c
@@ -80,7 +80,7 @@ xchk_setup_xattr(
          * without the inode lock held, which means we can sleep.
          */
         if (sc->flags & XCHK_TRY_HARDER) {
-                error = xchk_setup_xattr_buf(sc, XATTR_SIZE_MAX, KM_SLEEP);
+                error = xchk_setup_xattr_buf(sc, XATTR_SIZE_MAX, 0);
                 if (error)
                         return error;
         }
diff --git a/fs/xfs/scrub/fscounters.c b/fs/xfs/scrub/fscounters.c
index fc3f510c9034..98f82d7c8b40 100644
--- a/fs/xfs/scrub/fscounters.c
+++ b/fs/xfs/scrub/fscounters.c
@@ -125,7 +125,7 @@ xchk_setup_fscounters(
         struct xchk_fscounters  *fsc;
         int                     error;
 
-        sc->buf = kmem_zalloc(sizeof(struct xchk_fscounters), KM_SLEEP);
+        sc->buf = kmem_zalloc(sizeof(struct xchk_fscounters), 0);
         if (!sc->buf)
                 return -ENOMEM;
         fsc = sc->buf;
diff --git a/fs/xfs/scrub/symlink.c b/fs/xfs/scrub/symlink.c
index 99c0b1234c3c..5641ae512c9e 100644
--- a/fs/xfs/scrub/symlink.c
+++ b/fs/xfs/scrub/symlink.c
@@ -22,7 +22,7 @@ xchk_setup_symlink(
         struct xfs_inode        *ip)
 {
         /* Allocate the buffer without the inode lock held. */
-        sc->buf = kmem_zalloc_large(XFS_SYMLINK_MAXLEN + 1, KM_SLEEP);
+        sc->buf = kmem_zalloc_large(XFS_SYMLINK_MAXLEN + 1, 0);
         if (!sc->buf)
                 return -ENOMEM;
 
diff --git a/fs/xfs/xfs_acl.c b/fs/xfs/xfs_acl.c
index cbda40d40326..86c0697870a5 100644
--- a/fs/xfs/xfs_acl.c
+++ b/fs/xfs/xfs_acl.c
@@ -135,7 +135,7 @@ xfs_get_acl(struct inode *inode, int type)
          * go out to the disk.
          */
         len = XFS_ACL_MAX_SIZE(ip->i_mount);
-        xfs_acl = kmem_zalloc_large(len, KM_SLEEP);
+        xfs_acl = kmem_zalloc_large(len, 0);
         if (!xfs_acl)
                 return ERR_PTR(-ENOMEM);
 
@@ -180,7 +180,7 @@ __xfs_set_acl(struct inode *inode, struct posix_acl *acl, int type)
                 struct xfs_acl *xfs_acl;
                 int len = XFS_ACL_MAX_SIZE(ip->i_mount);
 
-                xfs_acl = kmem_zalloc_large(len, KM_SLEEP);
+                xfs_acl = kmem_zalloc_large(len, 0);
                 if (!xfs_acl)
                         return -ENOMEM;
 
diff --git a/fs/xfs/xfs_attr_inactive.c b/fs/xfs/xfs_attr_inactive.c
index dc93c51c17de..a640a285cc52 100644
--- a/fs/xfs/xfs_attr_inactive.c
+++ b/fs/xfs/xfs_attr_inactive.c
@@ -147,7 +147,7 @@ xfs_attr3_leaf_inactive(
          * Allocate storage for a list of all the "remote" value extents.
          */
         size = count * sizeof(xfs_attr_inactive_list_t);
-        list = kmem_alloc(size, KM_SLEEP);
+        list = kmem_alloc(size, 0);
 
         /*
          * Identify each of the "remote" value extents.
diff --git a/fs/xfs/xfs_attr_list.c b/fs/xfs/xfs_attr_list.c
index 58fc820a70c6..00758fdc2fec 100644
--- a/fs/xfs/xfs_attr_list.c
+++ b/fs/xfs/xfs_attr_list.c
@@ -109,7 +109,7 @@ xfs_attr_shortform_list(xfs_attr_list_context_t *context)
          * It didn't all fit, so we have to sort everything on hashval.
          */
         sbsize = sf->hdr.count * sizeof(*sbuf);
-        sbp = sbuf = kmem_alloc(sbsize, KM_SLEEP | KM_NOFS);
+        sbp = sbuf = kmem_alloc(sbsize, KM_NOFS);
 
         /*
          * Scan the attribute list for the rest of the entries, storing
diff --git a/fs/xfs/xfs_bmap_item.c b/fs/xfs/xfs_bmap_item.c
index 9fa4a7ee8cfc..989163e1f900 100644
--- a/fs/xfs/xfs_bmap_item.c
+++ b/fs/xfs/xfs_bmap_item.c
@@ -141,7 +141,7 @@ xfs_bui_init(
 {
         struct xfs_bui_log_item         *buip;
 
-        buip = kmem_zone_zalloc(xfs_bui_zone, KM_SLEEP);
+        buip = kmem_zone_zalloc(xfs_bui_zone, 0);
 
         xfs_log_item_init(mp, &buip->bui_item, XFS_LI_BUI, &xfs_bui_item_ops);
         buip->bui_format.bui_nextents = XFS_BUI_MAX_FAST_EXTENTS;
@@ -218,7 +218,7 @@ xfs_trans_get_bud(
 {
         struct xfs_bud_log_item         *budp;
 
-        budp = kmem_zone_zalloc(xfs_bud_zone, KM_SLEEP);
+        budp = kmem_zone_zalloc(xfs_bud_zone, 0);
         xfs_log_item_init(tp->t_mountp, &budp->bud_item, XFS_LI_BUD,
                           &xfs_bud_item_ops);
         budp->bud_buip = buip;
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index ca0849043f54..d3be9ab0359b 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -1741,7 +1741,7 @@ xfs_alloc_buftarg(
 {
         xfs_buftarg_t           *btp;
 
-        btp = kmem_zalloc(sizeof(*btp), KM_SLEEP | KM_NOFS);
+        btp = kmem_zalloc(sizeof(*btp), KM_NOFS);
 
         btp->bt_mount = mp;
         btp->bt_dev =  bdev->bd_dev;
diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index 7dcaec54a20b..d74fbd1e9d3e 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -702,7 +702,7 @@ xfs_buf_item_get_format(
         }
 
         bip->bli_formats = kmem_zalloc(count * sizeof(struct xfs_buf_log_format),
-                                KM_SLEEP);
+                                0);
         if (!bip->bli_formats)
                 return -ENOMEM;
         return 0;
@@ -747,7 +747,7 @@ xfs_buf_item_init(
                 return 0;
         }
 
-        bip = kmem_zone_zalloc(xfs_buf_item_zone, KM_SLEEP);
+        bip = kmem_zone_zalloc(xfs_buf_item_zone, 0);
         xfs_log_item_init(mp, &bip->bli_item, XFS_LI_BUF, &xfs_buf_item_ops);
         bip->bli_buf = bp;
 
diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c
index fb1ad4483081..7ce770e779b4 100644
--- a/fs/xfs/xfs_dquot.c
+++ b/fs/xfs/xfs_dquot.c
@@ -440,7 +440,7 @@ xfs_dquot_alloc(
 {
         struct xfs_dquot        *dqp;
 
-        dqp = kmem_zone_zalloc(xfs_qm_dqzone, KM_SLEEP);
+        dqp = kmem_zone_zalloc(xfs_qm_dqzone, 0);
 
         dqp->dq_flags = type;
         dqp->q_core.d_id = cpu_to_be32(id);
diff --git a/fs/xfs/xfs_dquot_item.c b/fs/xfs/xfs_dquot_item.c
index 282ec5af293e..d60647d7197b 100644
--- a/fs/xfs/xfs_dquot_item.c
+++ b/fs/xfs/xfs_dquot_item.c
@@ -347,7 +347,7 @@ xfs_qm_qoff_logitem_init(
 {
         struct xfs_qoff_logitem *qf;
 
-        qf = kmem_zalloc(sizeof(struct xfs_qoff_logitem), KM_SLEEP);
+        qf = kmem_zalloc(sizeof(struct xfs_qoff_logitem), 0);
 
         xfs_log_item_init(mp, &qf->qql_item, XFS_LI_QUOTAOFF, start ?
                         &xfs_qm_qoffend_logitem_ops : &xfs_qm_qoff_logitem_ops);
diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c
index 544c9482a0ef..849fd4476950 100644
--- a/fs/xfs/xfs_error.c
+++ b/fs/xfs/xfs_error.c
@@ -213,7 +213,7 @@ xfs_errortag_init(
         struct xfs_mount        *mp)
 {
         mp->m_errortag = kmem_zalloc(sizeof(unsigned int) * XFS_ERRTAG_MAX,
-                        KM_SLEEP | KM_MAYFAIL);
+                        KM_MAYFAIL);
         if (!mp->m_errortag)
                 return -ENOMEM;
 
diff --git a/fs/xfs/xfs_extent_busy.c b/fs/xfs/xfs_extent_busy.c
index 0ed68379e551..2183d87be4cf 100644
--- a/fs/xfs/xfs_extent_busy.c
+++ b/fs/xfs/xfs_extent_busy.c
@@ -33,7 +33,7 @@ xfs_extent_busy_insert(
         struct rb_node          **rbp;
         struct rb_node          *parent = NULL;
 
-        new = kmem_zalloc(sizeof(struct xfs_extent_busy), KM_SLEEP);
+        new = kmem_zalloc(sizeof(struct xfs_extent_busy), 0);
         new->agno = agno;
         new->bno = bno;
         new->length = len;
diff --git a/fs/xfs/xfs_extfree_item.c b/fs/xfs/xfs_extfree_item.c
index 86f6512d6864..e44efc41a041 100644
--- a/fs/xfs/xfs_extfree_item.c
+++ b/fs/xfs/xfs_extfree_item.c
@@ -163,9 +163,9 @@ xfs_efi_init(
         if (nextents > XFS_EFI_MAX_FAST_EXTENTS) {
                 size = (uint)(sizeof(xfs_efi_log_item_t) +
                         ((nextents - 1) * sizeof(xfs_extent_t)));
-                efip = kmem_zalloc(size, KM_SLEEP);
+                efip = kmem_zalloc(size, 0);
         } else {
-                efip = kmem_zone_zalloc(xfs_efi_zone, KM_SLEEP);
+                efip = kmem_zone_zalloc(xfs_efi_zone, 0);
         }
 
         xfs_log_item_init(mp, &efip->efi_item, XFS_LI_EFI, &xfs_efi_item_ops);
@@ -333,9 +333,9 @@ xfs_trans_get_efd(
         if (nextents > XFS_EFD_MAX_FAST_EXTENTS) {
                 efdp = kmem_zalloc(sizeof(struct xfs_efd_log_item) +
                                 (nextents - 1) * sizeof(struct xfs_extent),
-                                KM_SLEEP);
+                                0);
         } else {
-                efdp = kmem_zone_zalloc(xfs_efd_zone, KM_SLEEP);
+                efdp = kmem_zone_zalloc(xfs_efd_zone, 0);
         }
 
         xfs_log_item_init(tp->t_mountp, &efdp->efd_item, XFS_LI_EFD,
diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
index 0b0fd10a36d4..944add5ff8e0 100644
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -40,7 +40,7 @@ xfs_inode_alloc(
          * KM_MAYFAIL and return NULL here on ENOMEM. Set the
          * code up to do this anyway.
          */
-        ip = kmem_zone_alloc(xfs_inode_zone, KM_SLEEP);
+        ip = kmem_zone_alloc(xfs_inode_zone, 0);
         if (!ip)
                 return NULL;
         if (inode_init_always(mp->m_super, VFS_I(ip))) {
diff --git a/fs/xfs/xfs_icreate_item.c b/fs/xfs/xfs_icreate_item.c
index d99a0a3e5f40..3ebd1b7f49d8 100644
--- a/fs/xfs/xfs_icreate_item.c
+++ b/fs/xfs/xfs_icreate_item.c
@@ -89,7 +89,7 @@ xfs_icreate_log(
 {
         struct xfs_icreate_item *icp;
 
-        icp = kmem_zone_zalloc(xfs_icreate_zone, KM_SLEEP);
+        icp = kmem_zone_zalloc(xfs_icreate_zone, 0);
 
         xfs_log_item_init(tp->t_mountp, &icp->ic_item, XFS_LI_ICREATE,
                           &xfs_icreate_item_ops);
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 6467d5e1df2d..cdb97fa027fa 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -2018,7 +2018,7 @@ xfs_iunlink_add_backref(
         if (XFS_TEST_ERROR(false, pag->pag_mount, XFS_ERRTAG_IUNLINK_FALLBACK))
                 return 0;
 
-        iu = kmem_zalloc(sizeof(*iu), KM_SLEEP | KM_NOFS);
+        iu = kmem_zalloc(sizeof(*iu), KM_NOFS);
         iu->iu_agino = prev_agino;
         iu->iu_next_unlinked = this_agino;
 
diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c
index c9a502eed204..bb8f076805b9 100644
--- a/fs/xfs/xfs_inode_item.c
+++ b/fs/xfs/xfs_inode_item.c
@@ -651,7 +651,7 @@ xfs_inode_item_init(
         struct xfs_inode_log_item *iip;
 
         ASSERT(ip->i_itemp == NULL);
-        iip = ip->i_itemp = kmem_zone_zalloc(xfs_ili_zone, KM_SLEEP);
+        iip = ip->i_itemp = kmem_zone_zalloc(xfs_ili_zone, 0);
 
         iip->ili_inode = ip;
         xfs_log_item_init(mp, &iip->ili_item, XFS_LI_INODE,
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index 6f7848cd5527..9ea51664932e 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -396,7 +396,7 @@ xfs_attrlist_by_handle(
         if (IS_ERR(dentry))
                 return PTR_ERR(dentry);
 
-        kbuf = kmem_zalloc_large(al_hreq.buflen, KM_SLEEP);
+        kbuf = kmem_zalloc_large(al_hreq.buflen, 0);
         if (!kbuf)
                 goto out_dput;
 
@@ -434,7 +434,7 @@ xfs_attrmulti_attr_get(
 
         if (*len > XFS_XATTR_SIZE_MAX)
                 return -EINVAL;
-        kbuf = kmem_zalloc_large(*len, KM_SLEEP);
+        kbuf = kmem_zalloc_large(*len, 0);
         if (!kbuf)
                 return -ENOMEM;
 
diff --git a/fs/xfs/xfs_ioctl32.c b/fs/xfs/xfs_ioctl32.c
index 7bd7534f5051..1e08bf79b478 100644
--- a/fs/xfs/xfs_ioctl32.c
+++ b/fs/xfs/xfs_ioctl32.c
@@ -381,7 +381,7 @@ xfs_compat_attrlist_by_handle(
                 return PTR_ERR(dentry);
 
         error = -ENOMEM;
-        kbuf = kmem_zalloc_large(al_hreq.buflen, KM_SLEEP);
+        kbuf = kmem_zalloc_large(al_hreq.buflen, 0);
         if (!kbuf)
                 goto out_dput;
 
diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c
index f5c955d35be4..b049e7369a66 100644
--- a/fs/xfs/xfs_itable.c
+++ b/fs/xfs/xfs_itable.c
@@ -169,7 +169,7 @@ xfs_bulkstat_one(
         ASSERT(breq->icount == 1);
 
         bc.buf = kmem_zalloc(sizeof(struct xfs_bulkstat),
-                        KM_SLEEP | KM_MAYFAIL);
+                        KM_MAYFAIL);
         if (!bc.buf)
                 return -ENOMEM;
 
@@ -243,7 +243,7 @@ xfs_bulkstat(
                 return 0;
 
         bc.buf = kmem_zalloc(sizeof(struct xfs_bulkstat),
-                        KM_SLEEP | KM_MAYFAIL);
+                        KM_MAYFAIL);
         if (!bc.buf)
                 return -ENOMEM;
 
diff --git a/fs/xfs/xfs_iwalk.c b/fs/xfs/xfs_iwalk.c
index 8c7d727149ea..86ce52c1871f 100644
--- a/fs/xfs/xfs_iwalk.c
+++ b/fs/xfs/xfs_iwalk.c
@@ -616,7 +616,7 @@ xfs_iwalk_threaded(
                 if (xfs_pwork_ctl_want_abort(&pctl))
                         break;
 
-                iwag = kmem_zalloc(sizeof(struct xfs_iwalk_ag), KM_SLEEP);
+                iwag = kmem_zalloc(sizeof(struct xfs_iwalk_ag), 0);
                 iwag->mp = mp;
                 iwag->iwalk_fn = iwalk_fn;
                 iwag->data = data;
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 7fc3c1ad36bc..50d854bfc45c 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -428,8 +428,7 @@ xfs_log_reserve(
         XFS_STATS_INC(mp, xs_try_logspace);
 
         ASSERT(*ticp == NULL);
-        tic = xlog_ticket_alloc(log, unit_bytes, cnt, client, permanent,
-                                KM_SLEEP);
+        tic = xlog_ticket_alloc(log, unit_bytes, cnt, client, permanent, 0);
         *ticp = tic;
 
         xlog_grant_push_ail(log, tic->t_cnt ? tic->t_unit_res * tic->t_cnt
diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c
index fa5602d0fd7f..ef652abd112c 100644
--- a/fs/xfs/xfs_log_cil.c
+++ b/fs/xfs/xfs_log_cil.c
@@ -38,7 +38,7 @@ xlog_cil_ticket_alloc(
         struct xlog_ticket *tic;
 
         tic = xlog_ticket_alloc(log, 0, 1, XFS_TRANSACTION, 0,
-                                KM_SLEEP|KM_NOFS);
+                                KM_NOFS);
 
         /*
          * set the current reservation to zero so we know to steal the basic
@@ -186,7 +186,7 @@ xlog_cil_alloc_shadow_bufs(
                          */
                         kmem_free(lip->li_lv_shadow);
 
-                        lv = kmem_alloc_large(buf_size, KM_SLEEP | KM_NOFS);
+                        lv = kmem_alloc_large(buf_size, KM_NOFS);
                         memset(lv, 0, xlog_cil_iovec_space(niovecs));
 
                         lv->lv_item = lip;
@@ -660,7 +660,7 @@ xlog_cil_push(
         if (!cil)
                 return 0;
 
-        new_ctx = kmem_zalloc(sizeof(*new_ctx), KM_SLEEP|KM_NOFS);
+        new_ctx = kmem_zalloc(sizeof(*new_ctx), KM_NOFS);
         new_ctx->ticket = xlog_cil_ticket_alloc(log);
 
         down_write(&cil->xc_ctx_lock);
@@ -1179,11 +1179,11 @@ xlog_cil_init(
         struct xfs_cil  *cil;
         struct xfs_cil_ctx *ctx;
 
-        cil = kmem_zalloc(sizeof(*cil), KM_SLEEP|KM_MAYFAIL);
+        cil = kmem_zalloc(sizeof(*cil), KM_MAYFAIL);
         if (!cil)
                 return -ENOMEM;
 
-        ctx = kmem_zalloc(sizeof(*ctx), KM_SLEEP|KM_MAYFAIL);
+        ctx = kmem_zalloc(sizeof(*ctx), KM_MAYFAIL);
         if (!ctx) {
                 kmem_free(cil);
                 return -ENOMEM;
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 13d1d3e95b88..eafb36cb4c66 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -1960,7 +1960,7 @@ xlog_recover_buffer_pass1(
                 }
         }
 
-        bcp = kmem_alloc(sizeof(struct xfs_buf_cancel), KM_SLEEP);
+        bcp = kmem_alloc(sizeof(struct xfs_buf_cancel), 0);
         bcp->bc_blkno = buf_f->blf_blkno;
         bcp->bc_len = buf_f->blf_len;
         bcp->bc_refcount = 1;
@@ -2930,7 +2930,7 @@ xlog_recover_inode_pass2(
         if (item->ri_buf[0].i_len == sizeof(struct xfs_inode_log_format)) {
                 in_f = item->ri_buf[0].i_addr;
         } else {
-                in_f = kmem_alloc(sizeof(struct xfs_inode_log_format), KM_SLEEP);
+                in_f = kmem_alloc(sizeof(struct xfs_inode_log_format), 0);
                 need_free = 1;
                 error = xfs_inode_item_format_convert(&item->ri_buf[0], in_f);
                 if (error)
@@ -4161,7 +4161,7 @@ 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);
 }
@@ -4201,7 +4201,7 @@ 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);
         item->ri_buf[item->ri_cnt-1].i_len += len;
         item->ri_buf[item->ri_cnt-1].i_addr = ptr;
@@ -4261,7 +4261,7 @@ 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;
 
@@ -4289,7 +4289,7 @@ 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] */
@@ -4423,7 +4423,7 @@ xlog_recover_ophdr_to_trans(
          * This is a new transaction so allocate a new recovery container to
          * hold the recovery ops that will follow.
          */
-        trans = kmem_zalloc(sizeof(struct xlog_recover), KM_SLEEP);
+        trans = kmem_zalloc(sizeof(struct xlog_recover), 0);
         trans->r_log_tid = tid;
         trans->r_lsn = be64_to_cpu(rhead->h_lsn);
         INIT_LIST_HEAD(&trans->r_itemq);
@@ -5527,7 +5527,7 @@ xlog_do_log_recovery(
          */
         log->l_buf_cancel_table = kmem_zalloc(XLOG_BC_TABLE_SIZE *
                                                  sizeof(struct list_head),
-                                                 KM_SLEEP);
+                                                 0);
         for (i = 0; i < XLOG_BC_TABLE_SIZE; i++)
                 INIT_LIST_HEAD(&log->l_buf_cancel_table[i]);
 
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index 322da6909290..da50b12ef634 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -82,7 +82,7 @@ xfs_uuid_mount(
         if (hole < 0) {
                 xfs_uuid_table = kmem_realloc(xfs_uuid_table,
                         (xfs_uuid_table_size + 1) * sizeof(*xfs_uuid_table),
-                        KM_SLEEP);
+                        0);
                 hole = xfs_uuid_table_size++;
         }
         xfs_uuid_table[hole] = *uuid;
diff --git a/fs/xfs/xfs_mru_cache.c b/fs/xfs/xfs_mru_cache.c
index 74738813f60d..a06661dac5be 100644
--- a/fs/xfs/xfs_mru_cache.c
+++ b/fs/xfs/xfs_mru_cache.c
@@ -333,12 +333,12 @@ xfs_mru_cache_create(
         if (!(grp_time = msecs_to_jiffies(lifetime_ms) / grp_count))
                 return -EINVAL;
 
-        if (!(mru = kmem_zalloc(sizeof(*mru), KM_SLEEP)))
+        if (!(mru = kmem_zalloc(sizeof(*mru), 0)))
                 return -ENOMEM;
 
         /* An extra list is needed to avoid reaping up to a grp_time early. */
         mru->grp_count = grp_count + 1;
-        mru->lists = kmem_zalloc(mru->grp_count * sizeof(*mru->lists), KM_SLEEP);
+        mru->lists = kmem_zalloc(mru->grp_count * sizeof(*mru->lists), 0);
 
         if (!mru->lists) {
                 err = -ENOMEM;
diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index 5e7a37f0cf84..ecd8ce152ab1 100644
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -642,7 +642,7 @@ xfs_qm_init_quotainfo(
 
         ASSERT(XFS_IS_QUOTA_RUNNING(mp));
 
-        qinf = mp->m_quotainfo = kmem_zalloc(sizeof(xfs_quotainfo_t), KM_SLEEP);
+        qinf = mp->m_quotainfo = kmem_zalloc(sizeof(xfs_quotainfo_t), 0);
 
         error = list_lru_init(&qinf->qi_lru);
         if (error)
@@ -978,7 +978,7 @@ xfs_qm_reset_dqcounts_buf(
         if (qip->i_d.di_nblocks == 0)
                 return 0;
 
-        map = kmem_alloc(XFS_DQITER_MAP_SIZE * sizeof(*map), KM_SLEEP);
+        map = kmem_alloc(XFS_DQITER_MAP_SIZE * sizeof(*map), 0);
 
         lblkno = 0;
         maxlblkcnt = XFS_B_TO_FSB(mp, mp->m_super->s_maxbytes);
diff --git a/fs/xfs/xfs_refcount_item.c b/fs/xfs/xfs_refcount_item.c
index d8288aa0670a..db0e0d7cffb7 100644
--- a/fs/xfs/xfs_refcount_item.c
+++ b/fs/xfs/xfs_refcount_item.c
@@ -144,9 +144,9 @@ xfs_cui_init(
         ASSERT(nextents > 0);
         if (nextents > XFS_CUI_MAX_FAST_EXTENTS)
                 cuip = kmem_zalloc(xfs_cui_log_item_sizeof(nextents),
-                                KM_SLEEP);
+                                0);
         else
-                cuip = kmem_zone_zalloc(xfs_cui_zone, KM_SLEEP);
+                cuip = kmem_zone_zalloc(xfs_cui_zone, 0);
 
         xfs_log_item_init(mp, &cuip->cui_item, XFS_LI_CUI, &xfs_cui_item_ops);
         cuip->cui_format.cui_nextents = nextents;
@@ -223,7 +223,7 @@ xfs_trans_get_cud(
 {
         struct xfs_cud_log_item         *cudp;
 
-        cudp = kmem_zone_zalloc(xfs_cud_zone, KM_SLEEP);
+        cudp = kmem_zone_zalloc(xfs_cud_zone, 0);
         xfs_log_item_init(tp->t_mountp, &cudp->cud_item, XFS_LI_CUD,
                           &xfs_cud_item_ops);
         cudp->cud_cuip = cuip;
diff --git a/fs/xfs/xfs_rmap_item.c b/fs/xfs/xfs_rmap_item.c
index 77ed557b6127..8939e0ea09cd 100644
--- a/fs/xfs/xfs_rmap_item.c
+++ b/fs/xfs/xfs_rmap_item.c
@@ -142,9 +142,9 @@ xfs_rui_init(
 
         ASSERT(nextents > 0);
         if (nextents > XFS_RUI_MAX_FAST_EXTENTS)
-                ruip = kmem_zalloc(xfs_rui_log_item_sizeof(nextents), KM_SLEEP);
+                ruip = kmem_zalloc(xfs_rui_log_item_sizeof(nextents), 0);
         else
-                ruip = kmem_zone_zalloc(xfs_rui_zone, KM_SLEEP);
+                ruip = kmem_zone_zalloc(xfs_rui_zone, 0);
 
         xfs_log_item_init(mp, &ruip->rui_item, XFS_LI_RUI, &xfs_rui_item_ops);
         ruip->rui_format.rui_nextents = nextents;
@@ -244,7 +244,7 @@ xfs_trans_get_rud(
 {
         struct xfs_rud_log_item         *rudp;
 
-        rudp = kmem_zone_zalloc(xfs_rud_zone, KM_SLEEP);
+        rudp = kmem_zone_zalloc(xfs_rud_zone, 0);
         xfs_log_item_init(tp->t_mountp, &rudp->rud_item, XFS_LI_RUD,
                           &xfs_rud_item_ops);
         rudp->rud_ruip = ruip;
diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c
index 5fa4db3c3e32..4a48a8c75b4f 100644
--- a/fs/xfs/xfs_rtalloc.c
+++ b/fs/xfs/xfs_rtalloc.c
@@ -865,7 +865,7 @@ xfs_alloc_rsum_cache(
          * lower bound on the minimum level with any free extents. We can
          * continue without the cache if it couldn't be allocated.
          */
-        mp->m_rsum_cache = kmem_zalloc_large(rbmblocks, KM_SLEEP);
+        mp->m_rsum_cache = kmem_zalloc_large(rbmblocks, 0);
         if (!mp->m_rsum_cache)
                 xfs_warn(mp, "could not allocate realtime summary cache");
 }
@@ -963,7 +963,7 @@ xfs_growfs_rt(
         /*
          * Allocate a new (fake) mount/sb.
          */
-        nmp = kmem_alloc(sizeof(*nmp), KM_SLEEP);
+        nmp = kmem_alloc(sizeof(*nmp), 0);
         /*
          * Loop over the bitmap blocks.
          * We will do everything one bitmap block at a time.
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index d42a68d8313b..f4795fdb7389 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -90,7 +90,7 @@ xfs_trans_dup(
 
         trace_xfs_trans_dup(tp, _RET_IP_);
 
-        ntp = kmem_zone_zalloc(xfs_trans_zone, KM_SLEEP);
+        ntp = kmem_zone_zalloc(xfs_trans_zone, 0);
 
         /*
          * Initialize the new transaction structure.
@@ -263,7 +263,7 @@ xfs_trans_alloc(
          * GFP_NOFS allocation context so that we avoid lockdep false positives
          * by doing GFP_KERNEL allocations inside sb_start_intwrite().
          */
-        tp = kmem_zone_zalloc(xfs_trans_zone, KM_SLEEP);
+        tp = kmem_zone_zalloc(xfs_trans_zone, 0);
         if (!(flags & XFS_TRANS_NO_WRITECOUNT))
                 sb_start_intwrite(mp->m_super);
 
diff --git a/fs/xfs/xfs_trans_dquot.c b/fs/xfs/xfs_trans_dquot.c
index 1027c9ca6eb8..16457465833b 100644
--- a/fs/xfs/xfs_trans_dquot.c
+++ b/fs/xfs/xfs_trans_dquot.c
@@ -863,7 +863,7 @@ STATIC void
 xfs_trans_alloc_dqinfo(
         xfs_trans_t     *tp)
 {
-        tp->t_dqinfo = kmem_zone_zalloc(xfs_qm_dqtrxzone, KM_SLEEP);
+        tp->t_dqinfo = kmem_zone_zalloc(xfs_qm_dqtrxzone, 0);
 }
 
 void