diff options
| author |   Amir Goldstein <amir73il@gmail.com> | 2017-12-12 23:43:16 +0200 |
|---|---|---|
| committer |   Miklos Szeredi <mszeredi@redhat.com> | 2018-01-24 11:25:57 +0100 |
| commit | 0aceb53e73befee4441c9e68d23cb4f682382171 (patch) | |
| tree | 9cf115388cb39a97d0f0957464825dced075592e /fs/overlayfs | |
| parent | ovl: factor out ovl_get_index_fh() helper (diff) | |
| download | linux-dev-0aceb53e73befee4441c9e68d23cb4f682382171.tar.xz linux-dev-0aceb53e73befee4441c9e68d23cb4f682382171.zip | |
ovl: do not pass overlay dentry to ovl_get_inode()
This is needed for using ovl_get_inode() for decoding file handles
for NFS export.
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/overlayfs')
| -rw-r--r-- | fs/overlayfs/inode.c | 16 | ||||
| -rw-r--r-- | fs/overlayfs/namei.c | 3 | ||||
| -rw-r--r-- | fs/overlayfs/overlayfs.h | 5 |
3 files changed, 12 insertions, 12 deletions
diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c index 96587075db11..f8f7facb7331 100644 --- a/fs/overlayfs/inode.c +++ b/fs/overlayfs/inode.c @@ -643,14 +643,14 @@ static bool ovl_verify_inode(struct inode *inode, struct dentry *lowerdentry, return true; } -struct inode *ovl_get_inode(struct dentry *dentry, struct dentry *upperdentry, - struct dentry *index) +struct inode *ovl_get_inode(struct super_block *sb, struct dentry *upperdentry, + struct dentry *lowerdentry, struct dentry *index, + unsigned int numlower) { - struct dentry *lowerdentry = ovl_dentry_lower(dentry); struct inode *realinode = upperdentry ? d_inode(upperdentry) : NULL; struct inode *inode; /* Already indexed or could be indexed on copy up? */ - bool indexed = (index || (ovl_indexdir(dentry->d_sb) && !upperdentry)); + bool indexed = (index || (ovl_indexdir(sb) && !upperdentry)); struct dentry *origin = indexed ? lowerdentry : NULL; bool is_dir; @@ -675,7 +675,7 @@ struct inode *ovl_get_inode(struct dentry *dentry, struct dentry *upperdentry, struct inode *key = d_inode(origin ?: upperdentry); unsigned int nlink = is_dir ? 1 : realinode->i_nlink; - inode = iget5_locked(dentry->d_sb, (unsigned long) key, + inode = iget5_locked(sb, (unsigned long) key, ovl_inode_test, ovl_inode_set, key); if (!inode) goto out_nomem; @@ -699,7 +699,7 @@ struct inode *ovl_get_inode(struct dentry *dentry, struct dentry *upperdentry, nlink = ovl_get_nlink(lowerdentry, upperdentry, nlink); set_nlink(inode, nlink); } else { - inode = new_inode(dentry->d_sb); + inode = new_inode(sb); if (!inode) goto out_nomem; } @@ -711,9 +711,7 @@ struct inode *ovl_get_inode(struct dentry *dentry, struct dentry *upperdentry, /* Check for non-merge dir that may have whiteouts */ if (is_dir) { - struct ovl_entry *oe = dentry->d_fsdata; - - if (((upperdentry && lowerdentry) || oe->numlower > 1) || + if (((upperdentry && lowerdentry) || numlower > 1) || ovl_check_origin_xattr(upperdentry ?: lowerdentry)) { ovl_set_flag(OVL_WHITEOUTS, inode); } diff --git a/fs/overlayfs/namei.c b/fs/overlayfs/namei.c index 49984c9f3689..d69ea0a385f6 100644 --- a/fs/overlayfs/namei.c +++ b/fs/overlayfs/namei.c @@ -967,7 +967,8 @@ struct dentry *ovl_lookup(struct inode *dir, struct dentry *dentry, upperdentry = dget(index); if (upperdentry || ctr) { - inode = ovl_get_inode(dentry, upperdentry, index); + inode = ovl_get_inode(dentry->d_sb, upperdentry, origin, index, + ctr); err = PTR_ERR(inode); if (IS_ERR(inode)) goto out_free_oe; diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index 4e784f6ff484..f9fce7a680cd 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -307,8 +307,9 @@ 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); -struct inode *ovl_get_inode(struct dentry *dentry, struct dentry *upperdentry, - struct dentry *index); +struct inode *ovl_get_inode(struct super_block *sb, struct dentry *upperdentry, + struct dentry *lowerdentry, struct dentry *index, + unsigned int numlower); static inline void ovl_copyattr(struct inode *from, struct inode *to) { to->i_uid = from->i_uid; |