Signed-off-by: Amir Goldstein <amir73il@xxxxxxxxx> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-unionfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html