From: Ira Weiny <ira.weiny@xxxxxxxxx>
There are 3 places in namei.c where the equivalent of ext2_put_page() is
open coded. We want to use k[un]map_thread() instead of k[un]map() in
ext2_[get|put]_page().
Move ext2_put_page() to ext2.h and use it in namei.c in prep for
converting the k[un]map() code.
Cc: Jan Kara <jack@xxxxxxxx>
Signed-off-by: Ira Weiny <ira.weiny@xxxxxxxxx>
---
fs/ext2/dir.c | 6 ------
fs/ext2/ext2.h | 8 ++++++++
fs/ext2/namei.c | 15 +++++----------
3 files changed, 13 insertions(+), 16 deletions(-)
diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c
index 70355ab6740e..f3194bf20733 100644
--- a/fs/ext2/dir.c
+++ b/fs/ext2/dir.c
@@ -66,12 +66,6 @@ static inline unsigned ext2_chunk_size(struct inode *inode)
return inode->i_sb->s_blocksize;
}
-static inline void ext2_put_page(struct page *page)
-{
- kunmap(page);
- put_page(page);
-}
-
/*
* Return the offset into page `page_nr' of the last valid
* byte in that page, plus one.
diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h
index 5136b7289e8d..021ec8b42ac3 100644
--- a/fs/ext2/ext2.h
+++ b/fs/ext2/ext2.h
@@ -16,6 +16,8 @@
#include <linux/blockgroup_lock.h>
#include <linux/percpu_counter.h>
#include <linux/rbtree.h>
+#include <linux/mm.h>
+#include <linux/highmem.h>
/* XXX Here for now... not interested in restructing headers JUST now */
@@ -745,6 +747,12 @@ extern int ext2_delete_entry (struct ext2_dir_entry_2 *, struct page *);
extern int ext2_empty_dir (struct inode *);
extern struct ext2_dir_entry_2 * ext2_dotdot (struct inode *, struct page **);
extern void ext2_set_link(struct inode *, struct ext2_dir_entry_2 *, struct page *, struct inode *, int);
+static inline void ext2_put_page(struct page *page)
+{
+ kunmap(page);
+ put_page(page);
+}
+
/* ialloc.c */
extern struct inode * ext2_new_inode (struct inode *, umode_t, const struct qstr *);
diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c
index 5bf2c145643b..ea980f1e2e99 100644
--- a/fs/ext2/namei.c
+++ b/fs/ext2/namei.c
@@ -389,23 +389,18 @@ static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry,
if (dir_de) {
if (old_dir != new_dir)
ext2_set_link(old_inode, dir_de, dir_page, new_dir, 0);
- else {
- kunmap(dir_page);
- put_page(dir_page);
- }
+ else
+ ext2_put_page(dir_page);
inode_dec_link_count(old_dir);
}
return 0;
out_dir:
- if (dir_de) {
- kunmap(dir_page);
- put_page(dir_page);
- }
+ if (dir_de)
+ ext2_put_page(dir_page);
out_old:
- kunmap(old_page);
- put_page(old_page);
+ ext2_put_page(old_page);
out:
return err;
}
--
2.28.0.rc0.12.gb6a658bd00c9
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