libceph: introduce ceph_pagelist_alloc()

struct ceph_pagelist cannot be embedded into anything else because it
has its own refcount.  Merge allocation and initialization together.

Signed-off-by: Ilya Dryomov <[email protected]>
This commit is contained in:
Ilya Dryomov 2018-09-28 15:38:34 +02:00
commit 33165d4723
6 changed files with 28 additions and 26 deletions

View file

@ -206,10 +206,9 @@ int ceph_pre_init_acls(struct inode *dir, umode_t *mode,
tmp_buf = kmalloc(max(val_size1, val_size2), GFP_KERNEL);
if (!tmp_buf)
goto out_err;
pagelist = kmalloc(sizeof(struct ceph_pagelist), GFP_KERNEL);
pagelist = ceph_pagelist_alloc(GFP_KERNEL);
if (!pagelist)
goto out_err;
ceph_pagelist_init(pagelist);
err = ceph_pagelist_reserve(pagelist, PAGE_SIZE);
if (err)

View file

@ -3126,10 +3126,9 @@ static void send_mds_reconnect(struct ceph_mds_client *mdsc,
pr_info("mds%d reconnect start\n", mds);
pagelist = kmalloc(sizeof(*pagelist), GFP_NOFS);
pagelist = ceph_pagelist_alloc(GFP_NOFS);
if (!pagelist)
goto fail_nopagelist;
ceph_pagelist_init(pagelist);
reply = ceph_msg_new(CEPH_MSG_CLIENT_RECONNECT, 0, GFP_NOFS, false);
if (!reply)

View file

@ -951,11 +951,10 @@ static int ceph_sync_setxattr(struct inode *inode, const char *name,
if (size > 0) {
/* copy value into pagelist */
pagelist = kmalloc(sizeof(*pagelist), GFP_NOFS);
pagelist = ceph_pagelist_alloc(GFP_NOFS);
if (!pagelist)
return -ENOMEM;
ceph_pagelist_init(pagelist);
err = ceph_pagelist_append(pagelist, value, size);
if (err)
goto out;