From: Al Viro <viro@ftp.linux.org.uk>
To: linux-fsdevel@vger.kernel.org
Cc: <aivazian.tigran@gmail.com>, "Tigran A. Aivazian"@ftp.linux.org.uk
Subject: [RFC][PATCH] bfs_find_entry: pass name/len as qstr pointer
Date: Sun, 13 May 2018 22:11:40 +0100 [thread overview]
Message-ID: <E1fHyHM-0007YK-RG@ZenIV.linux.org.uk> (raw)
all callers feed something->name/something->len anyway
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
fs/bfs/dir.c | 18 ++++++++----------
1 file changed, 8 insertions(+), 10 deletions(-)
diff --git a/fs/bfs/dir.c b/fs/bfs/dir.c
index facf9614a381..528c69746f7d 100644
--- a/fs/bfs/dir.c
+++ b/fs/bfs/dir.c
@@ -24,7 +24,7 @@
static int bfs_add_entry(struct inode *dir, const unsigned char *name,
int namelen, int ino);
static struct buffer_head *bfs_find_entry(struct inode *dir,
- const unsigned char *name, int namelen,
+ const struct qstr *child,
struct bfs_dirent **res_dir);
static int bfs_readdir(struct file *f, struct dir_context *ctx)
@@ -136,7 +136,7 @@ static struct dentry *bfs_lookup(struct inode *dir, struct dentry *dentry,
return ERR_PTR(-ENAMETOOLONG);
mutex_lock(&info->bfs_lock);
- bh = bfs_find_entry(dir, dentry->d_name.name, dentry->d_name.len, &de);
+ bh = bfs_find_entry(dir, &dentry->d_name, &de);
if (bh) {
unsigned long ino = (unsigned long)le16_to_cpu(de->ino);
brelse(bh);
@@ -178,7 +178,7 @@ static int bfs_unlink(struct inode *dir, struct dentry *dentry)
struct bfs_sb_info *info = BFS_SB(inode->i_sb);
mutex_lock(&info->bfs_lock);
- bh = bfs_find_entry(dir, dentry->d_name.name, dentry->d_name.len, &de);
+ bh = bfs_find_entry(dir, &dentry->d_name, &de);
if (!bh || (le16_to_cpu(de->ino) != inode->i_ino))
goto out_brelse;
@@ -223,18 +223,14 @@ static int bfs_rename(struct inode *old_dir, struct dentry *old_dentry,
info = BFS_SB(old_inode->i_sb);
mutex_lock(&info->bfs_lock);
- old_bh = bfs_find_entry(old_dir,
- old_dentry->d_name.name,
- old_dentry->d_name.len, &old_de);
+ old_bh = bfs_find_entry(old_dir, &old_dentry->d_name, &old_de);
if (!old_bh || (le16_to_cpu(old_de->ino) != old_inode->i_ino))
goto end_rename;
error = -EPERM;
new_inode = d_inode(new_dentry);
- new_bh = bfs_find_entry(new_dir,
- new_dentry->d_name.name,
- new_dentry->d_name.len, &new_de);
+ new_bh = bfs_find_entry(new_dir, &new_dentry->d_name, &new_de);
if (new_bh && !new_inode) {
brelse(new_bh);
@@ -327,12 +323,14 @@ static inline int bfs_namecmp(int len, const unsigned char *name,
}
static struct buffer_head *bfs_find_entry(struct inode *dir,
- const unsigned char *name, int namelen,
+ const struct qstr *child,
struct bfs_dirent **res_dir)
{
unsigned long block = 0, offset = 0;
struct buffer_head *bh = NULL;
struct bfs_dirent *de;
+ const unsigned char *name = child->name;
+ int namelen = child->len;
*res_dir = NULL;
if (namelen > BFS_NAMELEN)
--
2.11.0
reply other threads:[~2018-05-13 21:11 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=E1fHyHM-0007YK-RG@ZenIV.linux.org.uk \
--to=viro@ftp.linux.org.uk \
--cc="Tigran A. Aivazian"@ftp.linux.org.uk \
--cc=aivazian.tigran@gmail.com \
--cc=linux-fsdevel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).