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Message-Id: <1459356495-2794775-3-git-send-email-green@linuxhacker.ru>
Date: Wed, 30 Mar 2016 12:47:34 -0400
From: green@...uxhacker.ru
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
devel@...verdev.osuosl.org,
Andreas Dilger <andreas.dilger@...el.com>
Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Lustre Development List <lustre-devel@...ts.lustre.org>,
Oleg Drokin <green@...uxhacker.ru>
Subject: [PATCH 02/43] staging/lustre: Get rid of CFS_PAGE_MASK
From: Oleg Drokin <green@...uxhacker.ru>
CFS_PAGE_MASK is the same as PAGE_MASK, so get rid of it.
We are replacing it with PAGE_MASK instead of PAGE_CACHE_MASK
because PAGE_CACHE_* stuff is apparently going away.
Signed-off-by: Oleg Drokin <green@...uxhacker.ru>
---
.../lustre/include/linux/libcfs/linux/linux-mem.h | 1 -
.../lustre/lnet/libcfs/linux/linux-crypto.c | 2 +-
drivers/staging/lustre/lnet/selftest/brw_test.c | 2 +-
drivers/staging/lustre/lustre/llite/llite_mmap.c | 4 ++--
drivers/staging/lustre/lustre/llite/rw26.c | 8 ++++----
drivers/staging/lustre/lustre/llite/vvp_io.c | 6 +++---
drivers/staging/lustre/lustre/lmv/lmv_obd.c | 2 +-
drivers/staging/lustre/lustre/obdclass/class_obd.c | 2 +-
.../staging/lustre/lustre/obdecho/echo_client.c | 6 +++---
drivers/staging/lustre/lustre/osc/osc_cache.c | 4 ++--
drivers/staging/lustre/lustre/osc/osc_request.c | 24 +++++++++++-----------
drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c | 2 +-
drivers/staging/lustre/lustre/ptlrpc/sec_plain.c | 2 +-
13 files changed, 32 insertions(+), 33 deletions(-)
diff --git a/drivers/staging/lustre/include/linux/libcfs/linux/linux-mem.h b/drivers/staging/lustre/include/linux/libcfs/linux/linux-mem.h
index 0f2fd79..448379b 100644
--- a/drivers/staging/lustre/include/linux/libcfs/linux/linux-mem.h
+++ b/drivers/staging/lustre/include/linux/libcfs/linux/linux-mem.h
@@ -57,7 +57,6 @@
#include "../libcfs_cpu.h"
#endif
-#define CFS_PAGE_MASK (~((__u64)PAGE_CACHE_SIZE-1))
#define page_index(p) ((p)->index)
#define memory_pressure_get() (current->flags & PF_MEMALLOC)
diff --git a/drivers/staging/lustre/lnet/libcfs/linux/linux-crypto.c b/drivers/staging/lustre/lnet/libcfs/linux/linux-crypto.c
index 0715101..84f9b7b 100644
--- a/drivers/staging/lustre/lnet/libcfs/linux/linux-crypto.c
+++ b/drivers/staging/lustre/lnet/libcfs/linux/linux-crypto.c
@@ -227,7 +227,7 @@ int cfs_crypto_hash_update_page(struct cfs_crypto_hash_desc *hdesc,
struct scatterlist sl;
sg_init_table(&sl, 1);
- sg_set_page(&sl, page, len, offset & ~CFS_PAGE_MASK);
+ sg_set_page(&sl, page, len, offset & ~PAGE_MASK);
ahash_request_set_crypt(req, &sl, NULL, sl.length);
return crypto_ahash_update(req);
diff --git a/drivers/staging/lustre/lnet/selftest/brw_test.c b/drivers/staging/lustre/lnet/selftest/brw_test.c
index b33c356..1988cee 100644
--- a/drivers/staging/lustre/lnet/selftest/brw_test.c
+++ b/drivers/staging/lustre/lnet/selftest/brw_test.c
@@ -457,7 +457,7 @@ brw_server_handle(struct srpc_server_rpc *rpc)
if (!(reqstmsg->msg_ses_feats & LST_FEAT_BULK_LEN)) {
/* compat with old version */
- if (reqst->brw_len & ~CFS_PAGE_MASK) {
+ if (reqst->brw_len & ~PAGE_MASK) {
reply->brw_status = EINVAL;
return 0;
}
diff --git a/drivers/staging/lustre/lustre/llite/llite_mmap.c b/drivers/staging/lustre/lustre/llite/llite_mmap.c
index 69445a9..baccf93 100644
--- a/drivers/staging/lustre/lustre/llite/llite_mmap.c
+++ b/drivers/staging/lustre/lustre/llite/llite_mmap.c
@@ -57,10 +57,10 @@ void policy_from_vma(ldlm_policy_data_t *policy,
struct vm_area_struct *vma, unsigned long addr,
size_t count)
{
- policy->l_extent.start = ((addr - vma->vm_start) & CFS_PAGE_MASK) +
+ policy->l_extent.start = ((addr - vma->vm_start) & PAGE_MASK) +
(vma->vm_pgoff << PAGE_CACHE_SHIFT);
policy->l_extent.end = (policy->l_extent.start + count - 1) |
- ~CFS_PAGE_MASK;
+ ~PAGE_MASK;
}
struct vm_area_struct *our_vma(struct mm_struct *mm, unsigned long addr,
diff --git a/drivers/staging/lustre/lustre/llite/rw26.c b/drivers/staging/lustre/lustre/llite/rw26.c
index 7a5db67..3d7e64e 100644
--- a/drivers/staging/lustre/lustre/llite/rw26.c
+++ b/drivers/staging/lustre/lustre/llite/rw26.c
@@ -376,7 +376,7 @@ static ssize_t ll_direct_IO_26(struct kiocb *iocb, struct iov_iter *iter,
return -EBADF;
/* FIXME: io smaller than PAGE_SIZE is broken on ia64 ??? */
- if ((file_offset & ~CFS_PAGE_MASK) || (count & ~CFS_PAGE_MASK))
+ if ((file_offset & ~PAGE_MASK) || (count & ~PAGE_MASK))
return -EINVAL;
CDEBUG(D_VFSTRACE,
@@ -386,7 +386,7 @@ static ssize_t ll_direct_IO_26(struct kiocb *iocb, struct iov_iter *iter,
MAX_DIO_SIZE >> PAGE_CACHE_SHIFT);
/* Check that all user buffers are aligned as well */
- if (iov_iter_alignment(iter) & ~CFS_PAGE_MASK)
+ if (iov_iter_alignment(iter) & ~PAGE_MASK)
return -EINVAL;
env = cl_env_get(&refcheck);
@@ -435,8 +435,8 @@ static ssize_t ll_direct_IO_26(struct kiocb *iocb, struct iov_iter *iter,
size > (PAGE_CACHE_SIZE / sizeof(*pages)) *
PAGE_CACHE_SIZE) {
size = ((((size / 2) - 1) |
- ~CFS_PAGE_MASK) + 1) &
- CFS_PAGE_MASK;
+ ~PAGE_MASK) + 1) &
+ PAGE_MASK;
CDEBUG(D_VFSTRACE, "DIO size now %lu\n",
size);
continue;
diff --git a/drivers/staging/lustre/lustre/llite/vvp_io.c b/drivers/staging/lustre/lustre/llite/vvp_io.c
index fb0c26e..984699a 100644
--- a/drivers/staging/lustre/lustre/llite/vvp_io.c
+++ b/drivers/staging/lustre/lustre/llite/vvp_io.c
@@ -234,8 +234,8 @@ static int vvp_mmap_locks(const struct lu_env *env,
if (count == 0)
continue;
- count += addr & (~CFS_PAGE_MASK);
- addr &= CFS_PAGE_MASK;
+ count += addr & (~PAGE_MASK);
+ addr &= PAGE_MASK;
down_read(&mm->mmap_sem);
while ((vma = our_vma(mm, addr, count)) != NULL) {
@@ -1043,7 +1043,7 @@ static int vvp_io_commit_write(const struct lu_env *env,
to = PAGE_CACHE_SIZE;
need_clip = false;
} else if (last_index == pg->cp_index) {
- int size_to = i_size_read(inode) & ~CFS_PAGE_MASK;
+ int size_to = i_size_read(inode) & ~PAGE_MASK;
if (to < size_to)
to = size_to;
diff --git a/drivers/staging/lustre/lustre/lmv/lmv_obd.c b/drivers/staging/lustre/lustre/lmv/lmv_obd.c
index 0f776cf..e3a7216 100644
--- a/drivers/staging/lustre/lustre/lmv/lmv_obd.c
+++ b/drivers/staging/lustre/lustre/lmv/lmv_obd.c
@@ -2071,7 +2071,7 @@ static void lmv_adjust_dirpages(struct page **pages, int ncfspgs, int nlupgs)
dp = (struct lu_dirpage *)((char *)dp + LU_PAGE_SIZE);
/* Check if we've reached the end of the CFS_PAGE. */
- if (!((unsigned long)dp & ~CFS_PAGE_MASK))
+ if (!((unsigned long)dp & ~PAGE_MASK))
break;
/* Save the hash and flags of this lu_dirpage. */
diff --git a/drivers/staging/lustre/lustre/obdclass/class_obd.c b/drivers/staging/lustre/lustre/obdclass/class_obd.c
index 1a938e1..d9844ba 100644
--- a/drivers/staging/lustre/lustre/obdclass/class_obd.c
+++ b/drivers/staging/lustre/lustre/obdclass/class_obd.c
@@ -461,7 +461,7 @@ static int obd_init_checks(void)
CWARN("LPD64 wrong length! strlen(%s)=%d != 2\n", buf, len);
ret = -EINVAL;
}
- if ((u64val & ~CFS_PAGE_MASK) >= PAGE_CACHE_SIZE) {
+ if ((u64val & ~PAGE_MASK) >= PAGE_CACHE_SIZE) {
CWARN("mask failed: u64val %llu >= %llu\n", u64val,
(__u64)PAGE_CACHE_SIZE);
ret = -EINVAL;
diff --git a/drivers/staging/lustre/lustre/obdecho/echo_client.c b/drivers/staging/lustre/lustre/obdecho/echo_client.c
index 64ffe24..33ce0c8 100644
--- a/drivers/staging/lustre/lustre/obdecho/echo_client.c
+++ b/drivers/staging/lustre/lustre/obdecho/echo_client.c
@@ -1119,7 +1119,7 @@ static int cl_echo_object_brw(struct echo_object *eco, int rw, u64 offset,
int rc;
int i;
- LASSERT((offset & ~CFS_PAGE_MASK) == 0);
+ LASSERT((offset & ~PAGE_MASK) == 0);
LASSERT(ed->ed_next);
env = cl_env_get(&refcheck);
if (IS_ERR(env))
@@ -1387,7 +1387,7 @@ static int echo_client_kbrw(struct echo_device *ed, int rw, struct obdo *oa,
LASSERT(rw == OBD_BRW_WRITE || rw == OBD_BRW_READ);
if (count <= 0 ||
- (count & (~CFS_PAGE_MASK)) != 0)
+ (count & (~PAGE_MASK)) != 0)
return -EINVAL;
/* XXX think again with misaligned I/O */
@@ -1470,7 +1470,7 @@ static int echo_client_prep_commit(const struct lu_env *env,
u64 npages, tot_pages;
int i, ret = 0, brw_flags = 0;
- if (count <= 0 || (count & (~CFS_PAGE_MASK)) != 0)
+ if (count <= 0 || (count & (~PAGE_MASK)) != 0)
return -EINVAL;
npages = batch >> PAGE_CACHE_SHIFT;
diff --git a/drivers/staging/lustre/lustre/osc/osc_cache.c b/drivers/staging/lustre/lustre/osc/osc_cache.c
index 6336311..3cfd2b0 100644
--- a/drivers/staging/lustre/lustre/osc/osc_cache.c
+++ b/drivers/staging/lustre/lustre/osc/osc_cache.c
@@ -877,7 +877,7 @@ int osc_extent_finish(const struct lu_env *env, struct osc_extent *ext,
* span a whole chunk on the OST side, or our accounting goes
* wrong. Should match the code in filter_grant_check.
*/
- int offset = oap->oap_page_off & ~CFS_PAGE_MASK;
+ int offset = oap->oap_page_off & ~PAGE_MASK;
int count = oap->oap_count + (offset & (blocksize - 1));
int end = (offset + oap->oap_count) & (blocksize - 1);
@@ -2238,7 +2238,7 @@ int osc_prep_async_page(struct osc_object *osc, struct osc_page *ops,
oap->oap_page = page;
oap->oap_obj_off = offset;
- LASSERT(!(offset & ~CFS_PAGE_MASK));
+ LASSERT(!(offset & ~PAGE_MASK));
if (!client_is_remote(exp) && capable(CFS_CAP_SYS_RESOURCE))
oap->oap_brw_flags = OBD_BRW_NOQUOTA;
diff --git a/drivers/staging/lustre/lustre/osc/osc_request.c b/drivers/staging/lustre/lustre/osc/osc_request.c
index ec0287f..850d5dd 100644
--- a/drivers/staging/lustre/lustre/osc/osc_request.c
+++ b/drivers/staging/lustre/lustre/osc/osc_request.c
@@ -1082,7 +1082,7 @@ static void handle_short_read(int nob_read, u32 page_count,
if (pga[i]->count > nob_read) {
/* EOF inside this page */
ptr = kmap(pga[i]->pg) +
- (pga[i]->off & ~CFS_PAGE_MASK);
+ (pga[i]->off & ~PAGE_MASK);
memset(ptr + nob_read, 0, pga[i]->count - nob_read);
kunmap(pga[i]->pg);
page_count--;
@@ -1097,7 +1097,7 @@ static void handle_short_read(int nob_read, u32 page_count,
/* zero remaining pages */
while (page_count-- > 0) {
- ptr = kmap(pga[i]->pg) + (pga[i]->off & ~CFS_PAGE_MASK);
+ ptr = kmap(pga[i]->pg) + (pga[i]->off & ~PAGE_MASK);
memset(ptr, 0, pga[i]->count);
kunmap(pga[i]->pg);
i++;
@@ -1188,20 +1188,20 @@ static u32 osc_checksum_bulk(int nob, u32 pg_count,
if (i == 0 && opc == OST_READ &&
OBD_FAIL_CHECK(OBD_FAIL_OSC_CHECKSUM_RECEIVE)) {
unsigned char *ptr = kmap(pga[i]->pg);
- int off = pga[i]->off & ~CFS_PAGE_MASK;
+ int off = pga[i]->off & ~PAGE_MASK;
memcpy(ptr + off, "bad1", min(4, nob));
kunmap(pga[i]->pg);
}
cfs_crypto_hash_update_page(hdesc, pga[i]->pg,
- pga[i]->off & ~CFS_PAGE_MASK,
+ pga[i]->off & ~PAGE_MASK,
count);
CDEBUG(D_PAGE,
"page %p map %p index %lu flags %lx count %u priv %0lx: off %d\n",
pga[i]->pg, pga[i]->pg->mapping, pga[i]->pg->index,
(long)pga[i]->pg->flags, page_count(pga[i]->pg),
page_private(pga[i]->pg),
- (int)(pga[i]->off & ~CFS_PAGE_MASK));
+ (int)(pga[i]->off & ~PAGE_MASK));
nob -= pga[i]->count;
pg_count--;
@@ -1309,7 +1309,7 @@ static int osc_brw_prep_request(int cmd, struct client_obd *cli,
pg_prev = pga[0];
for (requested_nob = i = 0; i < page_count; i++, niobuf++) {
struct brw_page *pg = pga[i];
- int poff = pg->off & ~CFS_PAGE_MASK;
+ int poff = pg->off & ~PAGE_MASK;
LASSERT(pg->count > 0);
/* make sure there is no gap in the middle of page array */
@@ -2227,8 +2227,8 @@ int osc_enqueue_base(struct obd_export *exp, struct ldlm_res_id *res_id,
/* Filesystem lock extents are extended to page boundaries so that
* dealing with the page cache is a little smoother.
*/
- policy->l_extent.start -= policy->l_extent.start & ~CFS_PAGE_MASK;
- policy->l_extent.end |= ~CFS_PAGE_MASK;
+ policy->l_extent.start -= policy->l_extent.start & ~PAGE_MASK;
+ policy->l_extent.end |= ~PAGE_MASK;
/*
* kms is not valid when either object is completely fresh (so that no
@@ -2378,8 +2378,8 @@ int osc_match_base(struct obd_export *exp, struct ldlm_res_id *res_id,
/* Filesystem lock extents are extended to page boundaries so that
* dealing with the page cache is a little smoother
*/
- policy->l_extent.start -= policy->l_extent.start & ~CFS_PAGE_MASK;
- policy->l_extent.end |= ~CFS_PAGE_MASK;
+ policy->l_extent.start -= policy->l_extent.start & ~PAGE_MASK;
+ policy->l_extent.end |= ~PAGE_MASK;
/* Next, search for already existing extent locks that will cover us */
/* If we're trying to read, we also search for an existing PW lock. The
@@ -2784,7 +2784,7 @@ out:
goto skip_locking;
policy.l_extent.start = fm_key->fiemap.fm_start &
- CFS_PAGE_MASK;
+ PAGE_MASK;
if (OBD_OBJECT_EOF - fm_key->fiemap.fm_length <=
fm_key->fiemap.fm_start + PAGE_CACHE_SIZE - 1)
@@ -2792,7 +2792,7 @@ out:
else
policy.l_extent.end = (fm_key->fiemap.fm_start +
fm_key->fiemap.fm_length +
- PAGE_CACHE_SIZE - 1) & CFS_PAGE_MASK;
+ PAGE_CACHE_SIZE - 1) & PAGE_MASK;
ostid_build_res_name(&fm_key->oa.o_oi, &res_id);
mode = ldlm_lock_match(exp->exp_obd->obd_namespace,
diff --git a/drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c b/drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c
index 54a0c1f..33d1411 100644
--- a/drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c
+++ b/drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c
@@ -527,7 +527,7 @@ int sptlrpc_get_bulk_checksum(struct ptlrpc_bulk_desc *desc, __u8 alg,
for (i = 0; i < desc->bd_iov_count; i++) {
cfs_crypto_hash_update_page(hdesc, desc->bd_iov[i].kiov_page,
- desc->bd_iov[i].kiov_offset & ~CFS_PAGE_MASK,
+ desc->bd_iov[i].kiov_offset & ~PAGE_MASK,
desc->bd_iov[i].kiov_len);
}
diff --git a/drivers/staging/lustre/lustre/ptlrpc/sec_plain.c b/drivers/staging/lustre/lustre/ptlrpc/sec_plain.c
index 6276bf5..37c9f4c 100644
--- a/drivers/staging/lustre/lustre/ptlrpc/sec_plain.c
+++ b/drivers/staging/lustre/lustre/ptlrpc/sec_plain.c
@@ -162,7 +162,7 @@ static void corrupt_bulk_data(struct ptlrpc_bulk_desc *desc)
continue;
ptr = kmap(desc->bd_iov[i].kiov_page);
- off = desc->bd_iov[i].kiov_offset & ~CFS_PAGE_MASK;
+ off = desc->bd_iov[i].kiov_offset & ~PAGE_MASK;
ptr[off] ^= 0x1;
kunmap(desc->bd_iov[i].kiov_page);
return;
--
2.1.0
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