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Date: Sun, 23 Nov 2014 21:52:52 -0800
From: Jaegeuk Kim <jaegeuk@...nel.org>
To: linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
linux-f2fs-devel@...ts.sourceforge.net
Cc: Jaegeuk Kim <jaegeuk@...nel.org>
Subject: [PATCH 1/2] f2fs: introduce f2fs_dentry_kunmap to clean up
This patch introduces f2fs_dentry_kunmap to clean up dirty codes.
Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
---
fs/f2fs/dir.c | 3 +--
fs/f2fs/f2fs.h | 6 ++++++
fs/f2fs/namei.c | 30 ++++++++++--------------------
fs/f2fs/recovery.c | 3 +--
4 files changed, 18 insertions(+), 24 deletions(-)
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index 5a49995..b1a7d57 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -271,8 +271,7 @@ ino_t f2fs_inode_by_name(struct inode *dir, struct qstr *qstr)
de = f2fs_find_entry(dir, qstr, &page);
if (de) {
res = le32_to_cpu(de->ino);
- if (!f2fs_has_inline_dentry(dir))
- kunmap(page);
+ f2fs_dentry_kunmap(dir, page);
f2fs_put_page(page, 0);
}
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 418c852..d042813 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1229,6 +1229,12 @@ static inline void *inline_dentry_addr(struct page *page)
return (void *)&(ri->i_addr[1]);
}
+static inline void f2fs_dentry_kunmap(struct inode *dir, struct page *page)
+{
+ if (!f2fs_has_inline_dentry(dir))
+ kunmap(page);
+}
+
static inline int f2fs_readonly(struct super_block *sb)
{
return sb->s_flags & MS_RDONLY;
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 2bee559..547a2de 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -200,8 +200,7 @@ static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry,
de = f2fs_find_entry(dir, &dentry->d_name, &page);
if (de) {
nid_t ino = le32_to_cpu(de->ino);
- if (!f2fs_has_inline_dentry(dir))
- kunmap(page);
+ f2fs_dentry_kunmap(dir, page);
f2fs_put_page(page, 0);
inode = f2fs_iget(dir->i_sb, ino);
@@ -231,8 +230,7 @@ static int f2fs_unlink(struct inode *dir, struct dentry *dentry)
err = acquire_orphan_inode(sbi);
if (err) {
f2fs_unlock_op(sbi);
- if (!f2fs_has_inline_dentry(dir))
- kunmap(page);
+ f2fs_dentry_kunmap(dir, page);
f2fs_put_page(page, 0);
goto fail;
}
@@ -469,8 +467,7 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
old_dir_page, new_dir);
update_inode_page(old_inode);
} else {
- if (!f2fs_has_inline_dentry(old_inode))
- kunmap(old_dir_page);
+ f2fs_dentry_kunmap(old_inode, old_dir_page);
f2fs_put_page(old_dir_page, 0);
}
drop_nlink(old_dir);
@@ -486,18 +483,15 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
put_out_dir:
f2fs_unlock_op(sbi);
- if (!f2fs_has_inline_dentry(new_dir))
- kunmap(new_page);
+ f2fs_dentry_kunmap(new_dir, new_page);
f2fs_put_page(new_page, 0);
out_dir:
if (old_dir_entry) {
- if (!f2fs_has_inline_dentry(old_inode))
- kunmap(old_dir_page);
+ f2fs_dentry_kunmap(old_inode, old_dir_page);
f2fs_put_page(old_dir_page, 0);
}
out_old:
- if (!f2fs_has_inline_dentry(old_dir))
- kunmap(old_page);
+ f2fs_dentry_kunmap(old_dir, old_page);
f2fs_put_page(old_page, 0);
out:
return err;
@@ -632,23 +626,19 @@ out_unlock:
f2fs_unlock_op(sbi);
out_new_dir:
if (new_dir_entry) {
- if (!f2fs_has_inline_dentry(new_inode))
- kunmap(new_dir_page);
+ f2fs_dentry_kunmap(new_inode, new_dir_page);
f2fs_put_page(new_dir_page, 0);
}
out_old_dir:
if (old_dir_entry) {
- if (!f2fs_has_inline_dentry(old_inode))
- kunmap(old_dir_page);
+ f2fs_dentry_kunmap(old_inode, old_dir_page);
f2fs_put_page(old_dir_page, 0);
}
out_new:
- if (!f2fs_has_inline_dentry(new_dir))
- kunmap(new_page);
+ f2fs_dentry_kunmap(new_dir, new_page);
f2fs_put_page(new_page, 0);
out_old:
- if (!f2fs_has_inline_dentry(old_dir))
- kunmap(old_page);
+ f2fs_dentry_kunmap(old_dir, old_page);
f2fs_put_page(old_page, 0);
out:
return err;
diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index 4b180bb..9a93a6e 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -129,8 +129,7 @@ retry:
goto out;
out_unmap_put:
- if (!f2fs_has_inline_dentry(dir))
- kunmap(page);
+ f2fs_dentry_kunmap(dir, page);
f2fs_put_page(page, 0);
out_err:
iput(dir);
--
2.1.1
--
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