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authorYan, Zheng <zyan@redhat.com>2015-06-13 17:27:05 +0800
committerIlya Dryomov <idryomov@gmail.com>2015-06-25 11:49:31 +0300
commit687265e5a885d6308f5d73e738efe3c2674fa218 (patch)
tree65f9c44df4ed4c391b7f7f67d5f7643b703e8d47 /fs/ceph
parentf66fd9f0952187d274c13c136b74548f792c1925 (diff)
downloadlinux-687265e5a885d6308f5d73e738efe3c2674fa218.tar.bz2
ceph: switch some GFP_NOFS memory allocation to GFP_KERNEL
GFP_NOFS memory allocation is required for page writeback path. But there is no need to use GFP_NOFS in syscall path and readpage path Signed-off-by: Yan, Zheng <zyan@redhat.com>
Diffstat (limited to 'fs/ceph')
-rw-r--r--fs/ceph/acl.c4
-rw-r--r--fs/ceph/addr.c4
-rw-r--r--fs/ceph/dir.c10
-rw-r--r--fs/ceph/file.c8
-rw-r--r--fs/ceph/mds_client.c3
5 files changed, 15 insertions, 14 deletions
diff --git a/fs/ceph/acl.c b/fs/ceph/acl.c
index 64fa248343f6..8f84646f10e9 100644
--- a/fs/ceph/acl.c
+++ b/fs/ceph/acl.c
@@ -187,10 +187,10 @@ int ceph_pre_init_acls(struct inode *dir, umode_t *mode,
val_size2 = posix_acl_xattr_size(default_acl->a_count);
err = -ENOMEM;
- tmp_buf = kmalloc(max(val_size1, val_size2), GFP_NOFS);
+ tmp_buf = kmalloc(max(val_size1, val_size2), GFP_KERNEL);
if (!tmp_buf)
goto out_err;
- pagelist = kmalloc(sizeof(struct ceph_pagelist), GFP_NOFS);
+ pagelist = kmalloc(sizeof(struct ceph_pagelist), GFP_KERNEL);
if (!pagelist)
goto out_err;
ceph_pagelist_init(pagelist);
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 7edf3c49e661..97102038fe03 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -350,7 +350,7 @@ static int start_read(struct inode *inode, struct list_head *page_list, int max)
/* build page vector */
nr_pages = calc_pages_for(0, len);
- pages = kmalloc(sizeof(*pages) * nr_pages, GFP_NOFS);
+ pages = kmalloc(sizeof(*pages) * nr_pages, GFP_KERNEL);
ret = -ENOMEM;
if (!pages)
goto out;
@@ -362,7 +362,7 @@ static int start_read(struct inode *inode, struct list_head *page_list, int max)
dout("start_read %p adding %p idx %lu\n", inode, page,
page->index);
if (add_to_page_cache_lru(page, &inode->i_data, page->index,
- GFP_NOFS)) {
+ GFP_KERNEL)) {
ceph_fscache_uncache_page(inode, page);
page_cache_release(page);
dout("start_read %p add_to_page_cache failed %p\n",
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 424e23138c59..b99f2ff8189d 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -38,7 +38,7 @@ int ceph_init_dentry(struct dentry *dentry)
if (dentry->d_fsdata)
return 0;
- di = kmem_cache_alloc(ceph_dentry_cachep, GFP_NOFS | __GFP_ZERO);
+ di = kmem_cache_alloc(ceph_dentry_cachep, GFP_KERNEL | __GFP_ZERO);
if (!di)
return -ENOMEM; /* oh well */
@@ -231,7 +231,7 @@ static int note_last_dentry(struct ceph_file_info *fi, const char *name,
int len)
{
kfree(fi->last_name);
- fi->last_name = kmalloc(len+1, GFP_NOFS);
+ fi->last_name = kmalloc(len+1, GFP_KERNEL);
if (!fi->last_name)
return -ENOMEM;
memcpy(fi->last_name, name, len);
@@ -342,7 +342,7 @@ more:
req->r_direct_hash = ceph_frag_value(frag);
req->r_direct_is_hash = true;
if (fi->last_name) {
- req->r_path2 = kstrdup(fi->last_name, GFP_NOFS);
+ req->r_path2 = kstrdup(fi->last_name, GFP_KERNEL);
if (!req->r_path2) {
ceph_mdsc_put_request(req);
return -ENOMEM;
@@ -764,7 +764,7 @@ static int ceph_symlink(struct inode *dir, struct dentry *dentry,
err = PTR_ERR(req);
goto out;
}
- req->r_path2 = kstrdup(dest, GFP_NOFS);
+ req->r_path2 = kstrdup(dest, GFP_KERNEL);
if (!req->r_path2) {
err = -ENOMEM;
ceph_mdsc_put_request(req);
@@ -1189,7 +1189,7 @@ static ssize_t ceph_read_dir(struct file *file, char __user *buf, size_t size,
return -EISDIR;
if (!cf->dir_info) {
- cf->dir_info = kmalloc(bufsize, GFP_NOFS);
+ cf->dir_info = kmalloc(bufsize, GFP_KERNEL);
if (!cf->dir_info)
return -ENOMEM;
cf->dir_info_len =
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 8a4eb4d21d3c..424b5b540207 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -89,7 +89,7 @@ static int ceph_init_file(struct inode *inode, struct file *file, int fmode)
case S_IFDIR:
dout("init_file %p %p 0%o (regular)\n", inode, file,
inode->i_mode);
- cf = kmem_cache_alloc(ceph_file_cachep, GFP_NOFS | __GFP_ZERO);
+ cf = kmem_cache_alloc(ceph_file_cachep, GFP_KERNEL | __GFP_ZERO);
if (cf == NULL) {
ceph_put_fmode(ceph_inode(inode), fmode); /* clean up */
return -ENOMEM;
@@ -483,7 +483,7 @@ static ssize_t ceph_sync_read(struct kiocb *iocb, struct iov_iter *i,
}
} else {
num_pages = calc_pages_for(off, len);
- pages = ceph_alloc_page_vector(num_pages, GFP_NOFS);
+ pages = ceph_alloc_page_vector(num_pages, GFP_KERNEL);
if (IS_ERR(pages))
return PTR_ERR(pages);
ret = striped_read(inode, off, len, pages,
@@ -734,7 +734,7 @@ ceph_sync_write(struct kiocb *iocb, struct iov_iter *from, loff_t pos,
*/
num_pages = (len + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
- pages = ceph_alloc_page_vector(num_pages, GFP_NOFS);
+ pages = ceph_alloc_page_vector(num_pages, GFP_KERNEL);
if (IS_ERR(pages)) {
ret = PTR_ERR(pages);
goto out;
@@ -858,7 +858,7 @@ again:
struct page *page = NULL;
loff_t i_size;
if (retry_op == READ_INLINE) {
- page = __page_cache_alloc(GFP_NOFS);
+ page = __page_cache_alloc(GFP_KERNEL);
if (!page)
return -ENOMEM;
}
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 8d73fe9d488b..6aa07af67603 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -1668,7 +1668,8 @@ int ceph_alloc_readdir_reply_buffer(struct ceph_mds_request *req,
order = get_order(size * num_entries);
while (order >= 0) {
- rinfo->dir_in = (void*)__get_free_pages(GFP_NOFS | __GFP_NOWARN,
+ rinfo->dir_in = (void*)__get_free_pages(GFP_KERNEL |
+ __GFP_NOWARN,
order);
if (rinfo->dir_in)
break;