From: Amir Goldstein <amir73il@gmail.com>
To: Miklos Szeredi <miklos@szeredi.hu>
Cc: Al Viro <viro@zeniv.linux.org.uk>,
linux-unionfs@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: [PATCH v2 09/20] ovl: move inode helpers to inode.c
Date: Wed, 7 Jun 2017 10:51:13 +0300 [thread overview]
Message-ID: <1496821884-5178-10-git-send-email-amir73il@gmail.com> (raw)
In-Reply-To: <1496821884-5178-1-git-send-email-amir73il@gmail.com>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
---
fs/overlayfs/inode.c | 16 ++++++++++++++++
fs/overlayfs/overlayfs.h | 31 ++++++++++++++++---------------
fs/overlayfs/util.c | 16 ----------------
3 files changed, 32 insertions(+), 31 deletions(-)
diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c
index d613e2c41242..ab394510736e 100644
--- a/fs/overlayfs/inode.c
+++ b/fs/overlayfs/inode.c
@@ -451,6 +451,22 @@ struct inode *ovl_new_inode(struct super_block *sb, umode_t mode, dev_t rdev)
return inode;
}
+void ovl_inode_init(struct inode *inode, struct inode *realinode, bool is_upper)
+{
+ WRITE_ONCE(inode->i_private, (unsigned long) realinode |
+ (is_upper ? OVL_ISUPPER_MASK : 0));
+}
+
+void ovl_inode_update(struct inode *inode, struct inode *upperinode)
+{
+ WARN_ON(!upperinode);
+ WARN_ON(!inode_unhashed(inode));
+ WRITE_ONCE(inode->i_private,
+ (unsigned long) upperinode | OVL_ISUPPER_MASK);
+ if (!S_ISDIR(upperinode->i_mode))
+ __insert_inode_hash(inode, (unsigned long) upperinode);
+}
+
static int ovl_inode_test(struct inode *inode, void *data)
{
return ovl_inode_real(inode, NULL) == data;
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h
index 47d62c585c96..c4669b6b0e20 100644
--- a/fs/overlayfs/overlayfs.h
+++ b/fs/overlayfs/overlayfs.h
@@ -64,8 +64,6 @@ struct ovl_fh {
u8 fid[0]; /* file identifier */
} __packed;
-#define OVL_ISUPPER_MASK 1UL
-
static inline int ovl_do_rmdir(struct inode *dir, struct dentry *dentry)
{
int err = vfs_rmdir(dir, dentry);
@@ -179,16 +177,6 @@ static inline struct dentry *ovl_do_tmpfile(struct dentry *dentry, umode_t mode)
return ret;
}
-static inline struct inode *ovl_inode_real(struct inode *inode, bool *is_upper)
-{
- unsigned long x = (unsigned long) READ_ONCE(inode->i_private);
-
- if (is_upper)
- *is_upper = x & OVL_ISUPPER_MASK;
-
- return (struct inode *) (x & ~OVL_ISUPPER_MASK);
-}
-
/* util.c */
int ovl_want_write(struct dentry *dentry);
void ovl_drop_write(struct dentry *dentry);
@@ -218,9 +206,6 @@ bool ovl_redirect_dir(struct super_block *sb);
const char *ovl_dentry_get_redirect(struct dentry *dentry);
void ovl_dentry_set_redirect(struct dentry *dentry, const char *redirect);
void ovl_dentry_update(struct dentry *dentry, struct dentry *upperdentry);
-void ovl_inode_init(struct inode *inode, struct inode *realinode,
- bool is_upper);
-void ovl_inode_update(struct inode *inode, struct inode *upperinode);
void ovl_dentry_version_inc(struct dentry *dentry);
u64 ovl_dentry_version_get(struct dentry *dentry);
bool ovl_is_whiteout(struct dentry *dentry);
@@ -271,7 +256,23 @@ int ovl_update_time(struct inode *inode, struct timespec *ts, int flags);
bool ovl_is_private_xattr(const char *name);
struct inode *ovl_new_inode(struct super_block *sb, umode_t mode, dev_t rdev);
+void ovl_inode_init(struct inode *inode, struct inode *realinode,
+ bool is_upper);
+void ovl_inode_update(struct inode *inode, struct inode *upperinode);
struct inode *ovl_get_inode(struct super_block *sb, struct inode *realinode);
+
+#define OVL_ISUPPER_MASK 1UL
+
+static inline struct inode *ovl_inode_real(struct inode *inode, bool *is_upper)
+{
+ unsigned long x = (unsigned long) READ_ONCE(inode->i_private);
+
+ if (is_upper)
+ *is_upper = x & OVL_ISUPPER_MASK;
+
+ return (struct inode *) (x & ~OVL_ISUPPER_MASK);
+}
+
static inline void ovl_copyattr(struct inode *from, struct inode *to)
{
to->i_uid = from->i_uid;
diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c
index 6048f204be07..c42eb2eb9313 100644
--- a/fs/overlayfs/util.c
+++ b/fs/overlayfs/util.c
@@ -256,22 +256,6 @@ void ovl_dentry_update(struct dentry *dentry, struct dentry *upperdentry)
oe->__upperdentry = upperdentry;
}
-void ovl_inode_init(struct inode *inode, struct inode *realinode, bool is_upper)
-{
- WRITE_ONCE(inode->i_private, (unsigned long) realinode |
- (is_upper ? OVL_ISUPPER_MASK : 0));
-}
-
-void ovl_inode_update(struct inode *inode, struct inode *upperinode)
-{
- WARN_ON(!upperinode);
- WARN_ON(!inode_unhashed(inode));
- WRITE_ONCE(inode->i_private,
- (unsigned long) upperinode | OVL_ISUPPER_MASK);
- if (!S_ISDIR(upperinode->i_mode))
- __insert_inode_hash(inode, (unsigned long) upperinode);
-}
-
void ovl_dentry_version_inc(struct dentry *dentry)
{
struct ovl_entry *oe = dentry->d_fsdata;
--
2.7.4
next prev parent reply other threads:[~2017-06-07 7:51 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-07 7:51 [PATCH v2 00/20] Overlayfs inodes index Amir Goldstein
2017-06-07 7:51 ` [PATCH v2 01/20] vfs: introduce inode 'inuse' lock Amir Goldstein
2017-06-07 7:51 ` [PATCH v2 02/20] ovl: get exclusive ownership on upper/work dirs Amir Goldstein
2017-06-07 7:51 ` [PATCH v2 03/20] ovl: relax same fs constrain for ovl_check_origin() Amir Goldstein
2017-06-07 7:51 ` [PATCH v2 04/20] ovl: generalize ovl_create_workdir() Amir Goldstein
2017-06-07 7:51 ` [PATCH v2 05/20] ovl: introduce the inodes index dir feature Amir Goldstein
2017-06-07 7:51 ` [PATCH v2 06/20] ovl: verify upper root dir matches lower root dir Amir Goldstein
2017-06-07 7:51 ` [PATCH v2 07/20] ovl: verify index dir matches upper dir Amir Goldstein
2017-06-07 7:51 ` [PATCH v2 08/20] ovl: lookup index entry for non-dir Amir Goldstein
2017-06-08 12:11 ` Miklos Szeredi
2017-06-08 14:48 ` Amir Goldstein
2017-06-08 15:17 ` Miklos Szeredi
2017-06-08 16:09 ` Amir Goldstein
2017-06-09 8:43 ` Miklos Szeredi
2017-06-09 9:38 ` Amir Goldstein
2017-06-09 11:49 ` Miklos Szeredi
2017-06-09 13:14 ` Miklos Szeredi
2017-06-09 13:24 ` Amir Goldstein
2017-06-09 13:29 ` Miklos Szeredi
2017-06-09 22:56 ` Amir Goldstein
2017-06-07 7:51 ` Amir Goldstein [this message]
2017-06-07 7:51 ` [PATCH v2 10/20] ovl: use ovl_inode_init() for initializing new inode Amir Goldstein
2017-06-07 7:51 ` [PATCH v2 11/20] ovl: hash overlay non-dir inodes by copy up origin inode Amir Goldstein
2017-06-07 7:51 ` [PATCH v2 12/20] ovl: fix nlink leak in ovl_rename() Amir Goldstein
2017-06-07 7:51 ` [PATCH v2 13/20] ovl: adjust overlay inode nlink for indexed inodes Amir Goldstein
2017-06-07 7:51 ` [PATCH v2 14/20] ovl: defer upper dir lock to tempfile link Amir Goldstein
2017-06-07 7:51 ` [PATCH v2 15/20] ovl: factor out ovl_copy_up_inode() helper Amir Goldstein
2017-06-07 7:51 ` [PATCH v2 16/20] ovl: generalize ovl_copy_up_locked() using actors Amir Goldstein
2017-06-07 7:51 ` [PATCH v2 17/20] ovl: generalize ovl_copy_up_one() " Amir Goldstein
2017-06-07 7:51 ` [PATCH v2 18/20] ovl: implement index dir copy up method Amir Goldstein
2017-06-07 7:51 ` [PATCH v2 19/20] ovl: handle race of concurrent lower hardlinks copy up Amir Goldstein
2017-06-07 7:51 ` [PATCH v2 20/20] ovl: constant inode number for hardlinks Amir Goldstein
2017-06-07 7:54 ` [PATCH v2 00/20] Overlayfs inodes index Miklos Szeredi
2017-06-07 7:58 ` Amir Goldstein
2017-06-07 14:58 ` Amir Goldstein
2017-06-08 15:00 ` [PATCH v2 21/23] ovl: use inodes index on readonly mount Amir Goldstein
2017-06-08 15:00 ` [PATCH v2 22/23] ovl: move copy up helpers to copy_up.c Amir Goldstein
2017-06-08 15:00 ` [PATCH v2 23/23] ovl: copy up on read operations on indexed lower Amir Goldstein
2017-06-07 17:17 ` [PATCH v2 00/20] Overlayfs inodes index J. Bruce Fields
2017-06-07 18:36 ` Amir Goldstein
2017-06-07 18:59 ` J. Bruce Fields
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