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-rw-r--r--fs/btrfs/acl.c5
-rw-r--r--fs/btrfs/ctree.h2
-rw-r--r--fs/btrfs/inode.c7
3 files changed, 9 insertions, 5 deletions
diff --git a/fs/btrfs/acl.c b/fs/btrfs/acl.c
index c9f9789e828f..0a0d0eccee4e 100644
--- a/fs/btrfs/acl.c
+++ b/fs/btrfs/acl.c
@@ -16,13 +16,16 @@
#include "btrfs_inode.h"
#include "xattr.h"
-struct posix_acl *btrfs_get_acl(struct inode *inode, int type)
+struct posix_acl *btrfs_get_acl(struct inode *inode, int type, bool rcu)
{
int size;
const char *name;
char *value = NULL;
struct posix_acl *acl;
+ if (rcu)
+ return ERR_PTR(-ECHILD);
+
switch (type) {
case ACL_TYPE_ACCESS:
name = XATTR_NAME_POSIX_ACL_ACCESS;
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index f07c82fafa04..dff2c8a3e059 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -3706,7 +3706,7 @@ static inline int __btrfs_fs_compat_ro(struct btrfs_fs_info *fs_info, u64 flag)
/* acl.c */
#ifdef CONFIG_BTRFS_FS_POSIX_ACL
-struct posix_acl *btrfs_get_acl(struct inode *inode, int type);
+struct posix_acl *btrfs_get_acl(struct inode *inode, int type, bool rcu);
int btrfs_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
struct posix_acl *acl, int type);
int btrfs_init_acl(struct btrfs_trans_handle *trans,
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 2aa9646bce56..487533c35ddb 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -632,7 +632,7 @@ again:
* inode has not been flagged as nocompress. This flag can
* change at any time if we discover bad compression ratios.
*/
- if (nr_pages > 1 && inode_need_compress(BTRFS_I(inode), start, end)) {
+ if (inode_need_compress(BTRFS_I(inode), start, end)) {
WARN_ON(pages);
pages = kcalloc(nr_pages, sizeof(struct page *), GFP_NOFS);
if (!pages) {
@@ -8247,9 +8247,10 @@ static struct btrfs_dio_private *btrfs_create_dio_private(struct bio *dio_bio,
return dip;
}
-static blk_qc_t btrfs_submit_direct(struct inode *inode, struct iomap *iomap,
+static blk_qc_t btrfs_submit_direct(const struct iomap_iter *iter,
struct bio *dio_bio, loff_t file_offset)
{
+ struct inode *inode = iter->inode;
const bool write = (btrfs_op(dio_bio) == BTRFS_MAP_WRITE);
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
const bool raid56 = (btrfs_data_alloc_profile(fs_info) &
@@ -8265,7 +8266,7 @@ static blk_qc_t btrfs_submit_direct(struct inode *inode, struct iomap *iomap,
int ret;
blk_status_t status;
struct btrfs_io_geometry geom;
- struct btrfs_dio_data *dio_data = iomap->private;
+ struct btrfs_dio_data *dio_data = iter->iomap.private;
struct extent_map *em = NULL;
dip = btrfs_create_dio_private(dio_bio, inode, file_offset);