[PATCH 3.18.y 2/5] ->getxattr(): pass dentry and inode as separate arguments

From: Al Viro viro@zeniv.linux.org.uk

commit ce23e640133484eebc20ca7b7668388213e11327 upstream.

Signed-off-by: Al Viro viro@zeniv.linux.org.uk

[sw0312.kim: backport to 3.18] Signed-off-by: Seung-Woo Kim sw0312.kim@samsung.com --- Documentation/filesystems/porting | 6 +++++ .../staging/lustre/lustre/llite/llite_internal.h | 4 +- drivers/staging/lustre/lustre/llite/xattr.c | 6 +--- fs/bad_inode.c | 4 +- fs/btrfs/xattr.c | 8 +++--- fs/btrfs/xattr.h | 4 +- fs/ceph/super.h | 3 +- fs/ceph/xattr.c | 8 +++--- fs/cifs/cifsfs.h | 2 +- fs/cifs/xattr.c | 10 ++++---- fs/ecryptfs/crypto.c | 5 +++- fs/ecryptfs/ecryptfs_kernel.h | 4 +- fs/ecryptfs/inode.c | 23 ++++++++++--------- fs/ecryptfs/mmap.c | 3 +- fs/fuse/dir.c | 5 +-- fs/gfs2/inode.c | 9 +++---- fs/hfs/attr.c | 5 +-- fs/hfs/hfs_fs.h | 4 +- fs/jfs/jfs_xattr.h | 2 +- fs/jfs/xattr.c | 8 +++--- fs/kernfs/inode.c | 6 ++-- fs/kernfs/kernfs-internal.h | 4 +- fs/overlayfs/inode.c | 4 +- fs/overlayfs/overlayfs.h | 4 +- fs/overlayfs/super.c | 2 +- fs/reiserfs/xattr.c | 8 +++--- fs/reiserfs/xattr.h | 4 +- fs/ubifs/ubifs.h | 4 +- fs/ubifs/xattr.c | 6 ++-- fs/xattr.c | 13 ++++++----- include/linux/fs.h | 3 +- include/linux/xattr.h | 2 +- mm/shmem.c | 8 +++--- net/socket.c | 2 +- security/commoncap.c | 6 ++-- security/integrity/evm/evm_main.c | 2 +- security/selinux/hooks.c | 9 ++++--- security/smack/smack_lsm.c | 4 +- 38 files changed, 112 insertions(+), 102 deletions(-)

diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting index 0f3a139..daf9acd 100644 --- a/Documentation/filesystems/porting +++ b/Documentation/filesystems/porting @@ -463,3 +463,9 @@ in your dentry operations instead. of the in-tree instances did). inode_hash_lock is still held, of course, so they are still serialized wrt removal from inode hash, as well as wrt set() callback of iget5_locked(). +-- +[mandatory] + ->getxattr() and xattr_handler.get() get dentry and inode passed separately. + dentry might be yet to be attached to inode, so do _not_ use its ->d_inode + in the instances. Rationale: !@#!@# security_d_instantiate() needs to be + called before we attach dentry to inode. diff --git a/drivers/staging/lustre/lustre/llite/llite_internal.h b/drivers/staging/lustre/lustre/llite/llite_internal.h index 36aa0fd..442fe5b 100644 --- a/drivers/staging/lustre/lustre/llite/llite_internal.h +++ b/drivers/staging/lustre/lustre/llite/llite_internal.h @@ -1070,8 +1070,8 @@ static inline __u64 ll_file_maxbytes(struct inode *inode) /* llite/xattr.c */ int ll_setxattr(struct dentry *dentry, const char *name, const void *value, size_t size, int flags); -ssize_t ll_getxattr(struct dentry *dentry, const char *name, - void *buffer, size_t size); +ssize_t ll_getxattr(struct dentry *dentry, struct inode *inode, + const char *name, void *buffer, size_t size); ssize_t ll_listxattr(struct dentry *dentry, char *buffer, size_t size); int ll_removexattr(struct dentry *dentry, const char *name);

diff --git a/drivers/staging/lustre/lustre/llite/xattr.c b/drivers/staging/lustre/lustre/llite/xattr.c index 252a619..fc4b95d3 100644 --- a/drivers/staging/lustre/lustre/llite/xattr.c +++ b/drivers/staging/lustre/lustre/llite/xattr.c @@ -455,11 +455,9 @@ out: return rc; }

-ssize_t ll_getxattr(struct dentry *dentry, const char *name, - void *buffer, size_t size) +ssize_t ll_getxattr(struct dentry *dentry, struct inode *inode, + const char *name, void *buffer, size_t size) { - struct inode *inode = dentry->d_inode; - LASSERT(inode); LASSERT(name);

diff --git a/fs/bad_inode.c b/fs/bad_inode.c index afd2b44..336c284 100644 --- a/fs/bad_inode.c +++ b/fs/bad_inode.c @@ -253,8 +253,8 @@ static int bad_inode_setxattr(struct dentry *dentry, const char *name, return -EIO; }

-static ssize_t bad_inode_getxattr(struct dentry *dentry, const char *name, - void *buffer, size_t size) +static ssize_t bad_inode_getxattr(struct dentry *dentry, struct inode *inode, + const char *name, void *buffer, size_t size) { return -EIO; } diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c index fbb0533..6fa0196 100644 --- a/fs/btrfs/xattr.c +++ b/fs/btrfs/xattr.c @@ -393,8 +393,8 @@ static int btrfs_is_valid_xattr(const char *name) return 0; }

-ssize_t btrfs_getxattr(struct dentry *dentry, const char *name, - void *buffer, size_t size) +ssize_t btrfs_getxattr(struct dentry *dentry, struct inode *inode, + const char *name, void *buffer, size_t size) { int ret;

@@ -404,12 +404,12 @@ ssize_t btrfs_getxattr(struct dentry *dentry, const char *name, * for it via sb->s_xattr. */ if (!strncmp(name, XATTR_SYSTEM_PREFIX, XATTR_SYSTEM_PREFIX_LEN)) - return generic_getxattr(dentry, name, buffer, size); + return generic_getxattr(dentry, inode, name, buffer, size);

ret = btrfs_is_valid_xattr(name); if (ret) return ret; - return __btrfs_getxattr(dentry->d_inode, name, buffer, size); + return __btrfs_getxattr(inode, name, buffer, size); }

int btrfs_setxattr(struct dentry *dentry, const char *name, const void *value, diff --git a/fs/btrfs/xattr.h b/fs/btrfs/xattr.h index 5049608..8ee4329 100644 --- a/fs/btrfs/xattr.h +++ b/fs/btrfs/xattr.h @@ -28,8 +28,8 @@ extern ssize_t __btrfs_getxattr(struct inode *inode, const char *name, extern int __btrfs_setxattr(struct btrfs_trans_handle *trans, struct inode *inode, const char *name, const void *value, size_t size, int flags); -extern ssize_t btrfs_getxattr(struct dentry *dentry, const char *name, - void *buffer, size_t size); +extern ssize_t btrfs_getxattr(struct dentry *dentry, struct inode *inode, + const char *name, void *buffer, size_t size); extern int btrfs_setxattr(struct dentry *dentry, const char *name, const void *value, size_t size, int flags); extern int btrfs_removexattr(struct dentry *dentry, const char *name); diff --git a/fs/ceph/super.h b/fs/ceph/super.h index b82f507..82dd063 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -727,7 +727,8 @@ extern int ceph_setxattr(struct dentry *, const char *, const void *, int __ceph_setxattr(struct dentry *, const char *, const void *, size_t, int); ssize_t __ceph_getxattr(struct inode *, const char *, void *, size_t); int __ceph_removexattr(struct dentry *, const char *); -extern ssize_t ceph_getxattr(struct dentry *, const char *, void *, size_t); +extern ssize_t ceph_getxattr(struct dentry *, struct inode *, const char *, + void *, size_t); extern ssize_t ceph_listxattr(struct dentry *, char *, size_t); extern int ceph_removexattr(struct dentry *, const char *); extern void __ceph_build_xattrs_blob(struct ceph_inode_info *ci); diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c index f827d55..59640c0 100644 --- a/fs/ceph/xattr.c +++ b/fs/ceph/xattr.c @@ -773,13 +773,13 @@ out: return err; }

-ssize_t ceph_getxattr(struct dentry *dentry, const char *name, void *value, - size_t size) +ssize_t ceph_getxattr(struct dentry *dentry, struct inode *inode, + const char *name, void *value, size_t size) { if (!strncmp(name, XATTR_SYSTEM_PREFIX, XATTR_SYSTEM_PREFIX_LEN)) - return generic_getxattr(dentry, name, value, size); + return generic_getxattr(dentry, inode, name, value, size);

- return __ceph_getxattr(dentry->d_inode, name, value, size); + return __ceph_getxattr(inode, name, value, size); }

ssize_t ceph_listxattr(struct dentry *dentry, char *names, size_t size) diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h index 15da9e3..b0eac15 100644 --- a/fs/cifs/cifsfs.h +++ b/fs/cifs/cifsfs.h @@ -124,7 +124,7 @@ extern int cifs_symlink(struct inode *inode, struct dentry *direntry, extern int cifs_removexattr(struct dentry *, const char *); extern int cifs_setxattr(struct dentry *, const char *, const void *, size_t, int); -extern ssize_t cifs_getxattr(struct dentry *, const char *, void *, size_t); +extern ssize_t cifs_getxattr(struct dentry *, struct inode *, const char *, void *, size_t); extern ssize_t cifs_listxattr(struct dentry *, char *, size_t); extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg);

diff --git a/fs/cifs/xattr.c b/fs/cifs/xattr.c index 72a4d10..d2c738e 100644 --- a/fs/cifs/xattr.c +++ b/fs/cifs/xattr.c @@ -232,8 +232,8 @@ set_ea_exit: return rc; }

-ssize_t cifs_getxattr(struct dentry *direntry, const char *ea_name, - void *ea_value, size_t buf_size) +ssize_t cifs_getxattr(struct dentry *direntry, struct inode *inode, + const char *ea_name, void *ea_value, size_t buf_size) { ssize_t rc = -EOPNOTSUPP; #ifdef CONFIG_CIFS_XATTR @@ -246,9 +246,9 @@ ssize_t cifs_getxattr(struct dentry *direntry, const char *ea_name,

if (direntry == NULL) return -EIO; - if (direntry->d_inode == NULL) + if (inode == NULL) return -EIO; - sb = direntry->d_inode->i_sb; + sb = inode->i_sb; if (sb == NULL) return -EIO;

@@ -324,7 +324,7 @@ ssize_t cifs_getxattr(struct dentry *direntry, const char *ea_name, goto get_ea_exit; /* rc already EOPNOTSUPP */

pacl = pTcon->ses->server->ops->get_acl(cifs_sb, - direntry->d_inode, full_path, &acllen); + inode, full_path, &acllen); if (IS_ERR(pacl)) { rc = PTR_ERR(pacl); cifs_dbg(VFS, "%s: error %zd getting sec desc\n", diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c index 31b148f..bc82bf3 100644 --- a/fs/ecryptfs/crypto.c +++ b/fs/ecryptfs/crypto.c @@ -1377,7 +1377,9 @@ int ecryptfs_read_xattr_region(char *page_virt, struct inode *ecryptfs_inode) ssize_t size; int rc = 0;

- size = ecryptfs_getxattr_lower(lower_dentry, ECRYPTFS_XATTR_NAME, + size = ecryptfs_getxattr_lower(lower_dentry, + ecryptfs_inode_to_lower(ecryptfs_inode), + ECRYPTFS_XATTR_NAME, page_virt, ECRYPTFS_DEFAULT_EXTENT_SIZE); if (size < 0) { if (unlikely(ecryptfs_verbosity > 0)) @@ -1399,6 +1401,7 @@ int ecryptfs_read_and_validate_xattr_region(struct dentry *dentry, int rc;

rc = ecryptfs_getxattr_lower(ecryptfs_dentry_to_lower(dentry), + ecryptfs_inode_to_lower(inode), ECRYPTFS_XATTR_NAME, file_size, ECRYPTFS_SIZE_AND_MARKER_BYTES); if (rc < ECRYPTFS_SIZE_AND_MARKER_BYTES) diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h index 4682bef..0030865 100644 --- a/fs/ecryptfs/ecryptfs_kernel.h +++ b/fs/ecryptfs/ecryptfs_kernel.h @@ -618,8 +618,8 @@ ecryptfs_parse_packet_set(struct ecryptfs_crypt_stat *crypt_stat, unsigned char *src, struct dentry *ecryptfs_dentry); int ecryptfs_truncate(struct dentry *dentry, loff_t new_length); ssize_t -ecryptfs_getxattr_lower(struct dentry *lower_dentry, const char *name, - void *value, size_t size); +ecryptfs_getxattr_lower(struct dentry *lower_dentry, struct inode *lower_inode, + const char *name, void *value, size_t size); int ecryptfs_setxattr(struct dentry *dentry, const char *name, const void *value, size_t size, int flags); diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c index 885c6a9..4fb21a7 100644 --- a/fs/ecryptfs/inode.c +++ b/fs/ecryptfs/inode.c @@ -1036,29 +1036,30 @@ out: }

ssize_t -ecryptfs_getxattr_lower(struct dentry *lower_dentry, const char *name, - void *value, size_t size) +ecryptfs_getxattr_lower(struct dentry *lower_dentry, struct inode *lower_inode, + const char *name, void *value, size_t size) { int rc = 0;

- if (!lower_dentry->d_inode->i_op->getxattr) { + if (!lower_inode->i_op->getxattr) { rc = -EOPNOTSUPP; goto out; } - mutex_lock(&lower_dentry->d_inode->i_mutex); - rc = lower_dentry->d_inode->i_op->getxattr(lower_dentry, name, value, - size); - mutex_unlock(&lower_dentry->d_inode->i_mutex); + mutex_lock(&lower_inode->i_mutex); + rc = lower_inode->i_op->getxattr(lower_dentry, lower_inode, + name, value, size); + mutex_unlock(&lower_inode->i_mutex); out: return rc; }

static ssize_t -ecryptfs_getxattr(struct dentry *dentry, const char *name, void *value, - size_t size) +ecryptfs_getxattr(struct dentry *dentry, struct inode *inode, + const char *name, void *value, size_t size) { - return ecryptfs_getxattr_lower(ecryptfs_dentry_to_lower(dentry), name, - value, size); + return ecryptfs_getxattr_lower(ecryptfs_dentry_to_lower(dentry), + ecryptfs_inode_to_lower(inode), + name, value, size); }

static ssize_t diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c index 564a1fa..4ee2cac 100644 --- a/fs/ecryptfs/mmap.c +++ b/fs/ecryptfs/mmap.c @@ -437,7 +437,8 @@ static int ecryptfs_write_inode_size_to_xattr(struct inode *ecryptfs_inode) goto out; } mutex_lock(&lower_inode->i_mutex); - size = lower_inode->i_op->getxattr(lower_dentry, ECRYPTFS_XATTR_NAME, + size = lower_inode->i_op->getxattr(lower_dentry, lower_inode, + ECRYPTFS_XATTR_NAME, xattr_virt, PAGE_CACHE_SIZE); if (size < 0) size = 8; diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index 86ee53f..bef1ee3 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -1887,10 +1887,9 @@ static int fuse_setxattr(struct dentry *entry, const char *name, return err; }

-static ssize_t fuse_getxattr(struct dentry *entry, const char *name, - void *value, size_t size) +static ssize_t fuse_getxattr(struct dentry *entry, struct inode *inode, + const char *name, void *value, size_t size) { - struct inode *inode = entry->d_inode; struct fuse_conn *fc = get_fuse_conn(inode); struct fuse_req *req; struct fuse_getxattr_in inarg; diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index c4ed823..ee95780 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -1871,22 +1871,21 @@ static int gfs2_setxattr(struct dentry *dentry, const char *name, return ret; }

-static ssize_t gfs2_getxattr(struct dentry *dentry, const char *name, - void *data, size_t size) +static ssize_t gfs2_getxattr(struct dentry *dentry, struct inode *inode, + const char *name, void *data, size_t size) { - struct inode *inode = dentry->d_inode; struct gfs2_inode *ip = GFS2_I(inode); struct gfs2_holder gh; int ret;

/* For selinux during lookup */ if (gfs2_glock_is_locked_by_me(ip->i_gl)) - return generic_getxattr(dentry, name, data, size); + return generic_getxattr(dentry, inode, name, data, size);

gfs2_holder_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, &gh); ret = gfs2_glock_nq(&gh); if (ret == 0) { - ret = generic_getxattr(dentry, name, data, size); + ret = generic_getxattr(dentry, inode, name, data, size); gfs2_glock_dq(&gh); } gfs2_holder_uninit(&gh); diff --git a/fs/hfs/attr.c b/fs/hfs/attr.c index e057ec5..ce9719c 100644 --- a/fs/hfs/attr.c +++ b/fs/hfs/attr.c @@ -56,10 +56,9 @@ out: return res; }

-ssize_t hfs_getxattr(struct dentry *dentry, const char *name, - void *value, size_t size) +ssize_t hfs_getxattr(struct dentry *unused, struct inode *inode, + const char *name, void *value, size_t size) { - struct inode *inode = dentry->d_inode; struct hfs_find_data fd; hfs_cat_rec rec; struct hfs_cat_file *file; diff --git a/fs/hfs/hfs_fs.h b/fs/hfs/hfs_fs.h index 95d2552..f234e2a 100644 --- a/fs/hfs/hfs_fs.h +++ b/fs/hfs/hfs_fs.h @@ -213,8 +213,8 @@ extern void hfs_delete_inode(struct inode *); /* attr.c */ extern int hfs_setxattr(struct dentry *dentry, const char *name, const void *value, size_t size, int flags); -extern ssize_t hfs_getxattr(struct dentry *dentry, const char *name, - void *value, size_t size); +extern ssize_t hfs_getxattr(struct dentry *dentry, struct inode *inode, + const char *name, void *value, size_t size); extern ssize_t hfs_listxattr(struct dentry *dentry, char *buffer, size_t size);

/* mdb.c */ diff --git a/fs/jfs/jfs_xattr.h b/fs/jfs/jfs_xattr.h index e8d717d..e69e14f 100644 --- a/fs/jfs/jfs_xattr.h +++ b/fs/jfs/jfs_xattr.h @@ -57,7 +57,7 @@ extern int __jfs_setxattr(tid_t, struct inode *, const char *, const void *, extern int jfs_setxattr(struct dentry *, const char *, const void *, size_t, int); extern ssize_t __jfs_getxattr(struct inode *, const char *, void *, size_t); -extern ssize_t jfs_getxattr(struct dentry *, const char *, void *, size_t); +extern ssize_t jfs_getxattr(struct dentry *, struct inode *, const char *, void *, size_t); extern ssize_t jfs_listxattr(struct dentry *, char *, size_t); extern int jfs_removexattr(struct dentry *, const char *);

diff --git a/fs/jfs/xattr.c b/fs/jfs/xattr.c index 46325d5..7b9a8f9 100644 --- a/fs/jfs/xattr.c +++ b/fs/jfs/xattr.c @@ -933,8 +933,8 @@ ssize_t __jfs_getxattr(struct inode *inode, const char *name, void *data, return size; }

-ssize_t jfs_getxattr(struct dentry *dentry, const char *name, void *data, - size_t buf_size) +ssize_t jfs_getxattr(struct dentry *dentry, struct inode *inode, + const char *name, void *data, size_t buf_size) { int err;

@@ -944,7 +944,7 @@ ssize_t jfs_getxattr(struct dentry *dentry, const char *name, void *data, * for it via sb->s_xattr. */ if (!strncmp(name, XATTR_SYSTEM_PREFIX, XATTR_SYSTEM_PREFIX_LEN)) - return generic_getxattr(dentry, name, data, buf_size); + return generic_getxattr(dentry, inode, name, data, buf_size);

if (strncmp(name, XATTR_OS2_PREFIX, XATTR_OS2_PREFIX_LEN) == 0) { /* @@ -959,7 +959,7 @@ ssize_t jfs_getxattr(struct dentry *dentry, const char *name, void *data, return -EOPNOTSUPP; }

- err = __jfs_getxattr(dentry->d_inode, name, data, buf_size); + err = __jfs_getxattr(inode, name, data, buf_size);

return err; } diff --git a/fs/kernfs/inode.c b/fs/kernfs/inode.c index 9852176..332ccaf 100644 --- a/fs/kernfs/inode.c +++ b/fs/kernfs/inode.c @@ -220,10 +220,10 @@ int kernfs_iop_removexattr(struct dentry *dentry, const char *name) return simple_xattr_remove(&attrs->xattrs, name); }

-ssize_t kernfs_iop_getxattr(struct dentry *dentry, const char *name, void *buf, - size_t size) +ssize_t kernfs_iop_getxattr(struct dentry *unused, struct inode *inode, + const char *name, void *buf, size_t size) { - struct kernfs_node *kn = dentry->d_fsdata; + struct kernfs_node *kn = inode->i_private; struct kernfs_iattrs *attrs;

attrs = kernfs_iattrs(kn); diff --git a/fs/kernfs/kernfs-internal.h b/fs/kernfs/kernfs-internal.h index dc84a3e..35b9ee1 100644 --- a/fs/kernfs/kernfs-internal.h +++ b/fs/kernfs/kernfs-internal.h @@ -85,8 +85,8 @@ int kernfs_iop_getattr(struct vfsmount *mnt, struct dentry *dentry, int kernfs_iop_setxattr(struct dentry *dentry, const char *name, const void *value, size_t size, int flags); int kernfs_iop_removexattr(struct dentry *dentry, const char *name); -ssize_t kernfs_iop_getxattr(struct dentry *dentry, const char *name, void *buf, - size_t size); +ssize_t kernfs_iop_getxattr(struct dentry *dentry, struct inode *inode, + const char *name, void *buf, size_t size); ssize_t kernfs_iop_listxattr(struct dentry *dentry, char *buf, size_t size); void kernfs_inode_init(void);

diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c index df5c285..04b5520 100644 --- a/fs/overlayfs/inode.c +++ b/fs/overlayfs/inode.c @@ -246,8 +246,8 @@ static bool ovl_need_xattr_filter(struct dentry *dentry, return type == OVL_PATH_UPPER && S_ISDIR(dentry->d_inode->i_mode); }

-ssize_t ovl_getxattr(struct dentry *dentry, const char *name, - void *value, size_t size) +ssize_t ovl_getxattr(struct dentry *dentry, struct inode *inode, + const char *name, void *value, size_t size) { struct path realpath; enum ovl_path_type type = ovl_path_real(dentry, &realpath); diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index f13557f..66b56ea 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -161,8 +161,8 @@ int ovl_setattr(struct dentry *dentry, struct iattr *attr); int ovl_permission(struct inode *inode, int mask); int ovl_setxattr(struct dentry *dentry, const char *name, const void *value, size_t size, int flags); -ssize_t ovl_getxattr(struct dentry *dentry, const char *name, - void *value, size_t size); +ssize_t ovl_getxattr(struct dentry *dentry, struct inode *inode, + const char *name, void *value, size_t size); ssize_t ovl_listxattr(struct dentry *dentry, char *list, size_t size); int ovl_removexattr(struct dentry *dentry, const char *name); struct inode *ovl_d_select_inode(struct dentry *dentry, unsigned file_flags); diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index b5bddae..7d00d6c 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -249,7 +249,7 @@ static bool ovl_is_opaquedir(struct dentry *dentry) if (!S_ISDIR(inode->i_mode) || !inode->i_op->getxattr) return false;

- res = inode->i_op->getxattr(dentry, ovl_opaque_xattr, &val, 1); + res = inode->i_op->getxattr(dentry, inode, ovl_opaque_xattr, &val, 1); if (res == 1 && val == 'y') return true;

diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c index 9998770..40d4fcc 100644 --- a/fs/reiserfs/xattr.c +++ b/fs/reiserfs/xattr.c @@ -767,8 +767,8 @@ find_xattr_handler_prefix(const struct xattr_handler **handlers, * Inode operation getxattr() */ ssize_t -reiserfs_getxattr(struct dentry * dentry, const char *name, void *buffer, - size_t size) +reiserfs_getxattr(struct dentry *dentry, struct inode *inode, + const char *name, void *buffer, size_t size) { const struct xattr_handler *handler;

@@ -777,8 +777,8 @@ reiserfs_getxattr(struct dentry * dentry, const char *name, void *buffer, if (!handler || get_inode_sd_version(dentry->d_inode) == STAT_DATA_V1) return -EOPNOTSUPP;

- return handler->get(dentry, dentry->d_inode, name, buffer, size, - handler->flags); + return handler->get(dentry, inode, + name, buffer, size, handler->flags); }

/* diff --git a/fs/reiserfs/xattr.h b/fs/reiserfs/xattr.h index f620e96..033bac1 100644 --- a/fs/reiserfs/xattr.h +++ b/fs/reiserfs/xattr.h @@ -18,8 +18,8 @@ int reiserfs_permission(struct inode *inode, int mask);

#ifdef CONFIG_REISERFS_FS_XATTR #define has_xattr_dir(inode) (REISERFS_I(inode)->i_flags & i_has_xattr_dir) -ssize_t reiserfs_getxattr(struct dentry *dentry, const char *name, - void *buffer, size_t size); +ssize_t reiserfs_getxattr(struct dentry *dentry, struct inode *inode, + const char *name, void *buffer, size_t size); int reiserfs_setxattr(struct dentry *dentry, const char *name, const void *value, size_t size, int flags); ssize_t reiserfs_listxattr(struct dentry *dentry, char *buffer, size_t size); diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h index c4fe900..c35436f 100644 --- a/fs/ubifs/ubifs.h +++ b/fs/ubifs/ubifs.h @@ -1750,8 +1750,8 @@ int ubifs_getattr(struct vfsmount *mnt, struct dentry *dentry, /* xattr.c */ int ubifs_setxattr(struct dentry *dentry, const char *name, const void *value, size_t size, int flags); -ssize_t ubifs_getxattr(struct dentry *dentry, const char *name, void *buf, - size_t size); +ssize_t ubifs_getxattr(struct dentry *dentry, struct inode *host, + const char *name, void *buf, size_t size); ssize_t ubifs_listxattr(struct dentry *dentry, char *buffer, size_t size); int ubifs_removexattr(struct dentry *dentry, const char *name);

diff --git a/fs/ubifs/xattr.c b/fs/ubifs/xattr.c index ce6c0d4..698194f 100644 --- a/fs/ubifs/xattr.c +++ b/fs/ubifs/xattr.c @@ -357,10 +357,10 @@ out_free: return err; }

-ssize_t ubifs_getxattr(struct dentry *dentry, const char *name, void *buf, - size_t size) +ssize_t ubifs_getxattr(struct dentry *dentry, struct inode *host, + const char *name, void *buf, size_t size) { - struct inode *inode, *host = dentry->d_inode; + struct inode *inode; struct ubifs_info *c = host->i_sb->s_fs_info; struct qstr nm = QSTR_INIT(name, strlen(name)); struct ubifs_inode *ui; diff --git a/fs/xattr.c b/fs/xattr.c index 70a5962..b04fc6b 100644 --- a/fs/xattr.c +++ b/fs/xattr.c @@ -192,7 +192,7 @@ vfs_getxattr_alloc(struct dentry *dentry, const char *name, char **xattr_value, if (!inode->i_op->getxattr) return -EOPNOTSUPP;

- error = inode->i_op->getxattr(dentry, name, NULL, 0); + error = inode->i_op->getxattr(dentry, inode, name, NULL, 0); if (error < 0) return error;

@@ -203,7 +203,7 @@ vfs_getxattr_alloc(struct dentry *dentry, const char *name, char **xattr_value, memset(value, 0, error + 1); }

- error = inode->i_op->getxattr(dentry, name, value, error); + error = inode->i_op->getxattr(dentry, inode, name, value, error); *xattr_value = value; return error; } @@ -255,7 +255,7 @@ vfs_getxattr(struct dentry *dentry, const char *name, void *value, size_t size) } nolsm: if (inode->i_op->getxattr) - error = inode->i_op->getxattr(dentry, name, value, size); + error = inode->i_op->getxattr(dentry, inode, name, value, size); else error = -EOPNOTSUPP;

@@ -717,15 +717,16 @@ xattr_resolve_name(const struct xattr_handler **handlers, const char **name) * Find the handler for the prefix and dispatch its get() operation. */ ssize_t -generic_getxattr(struct dentry *dentry, const char *name, void *buffer, size_t size) +generic_getxattr(struct dentry *dentry, struct inode *inode, + const char *name, void *buffer, size_t size) { const struct xattr_handler *handler;

handler = xattr_resolve_name(dentry->d_sb->s_xattr, &name); if (!handler) return -EOPNOTSUPP; - return handler->get(dentry, dentry->d_inode, name, buffer, size, - handler->flags); + return handler->get(dentry, inode, + name, buffer, size, handler->flags); }

/* diff --git a/include/linux/fs.h b/include/linux/fs.h index 2a41353..7586207 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1538,7 +1538,8 @@ struct inode_operations { int (*setattr) (struct dentry *, struct iattr *); int (*getattr) (struct vfsmount *mnt, struct dentry *, struct kstat *); int (*setxattr) (struct dentry *, const char *,const void *,size_t,int); - ssize_t (*getxattr) (struct dentry *, const char *, void *, size_t); + ssize_t (*getxattr) (struct dentry *, struct inode *, + const char *, void *, size_t); ssize_t (*listxattr) (struct dentry *, char *, size_t); int (*removexattr) (struct dentry *, const char *); int (*fiemap)(struct inode *, struct fiemap_extent_info *, u64 start, diff --git a/include/linux/xattr.h b/include/linux/xattr.h index 1088878..ad4c869 100644 --- a/include/linux/xattr.h +++ b/include/linux/xattr.h @@ -43,7 +43,7 @@ int __vfs_setxattr_noperm(struct dentry *, const char *, const void *, size_t, i int vfs_setxattr(struct dentry *, const char *, const void *, size_t, int); int vfs_removexattr(struct dentry *, const char *);

-ssize_t generic_getxattr(struct dentry *dentry, const char *name, void *buffer, size_t size); +ssize_t generic_getxattr(struct dentry *dentry, struct inode *inode, const char *name, void *buffer, size_t size); ssize_t generic_listxattr(struct dentry *dentry, char *buffer, size_t buffer_size); int generic_setxattr(struct dentry *dentry, const char *name, const void *value, size_t size, int flags); int generic_removexattr(struct dentry *dentry, const char *name); diff --git a/mm/shmem.c b/mm/shmem.c index fac22b5..8be47d4 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -2576,10 +2576,10 @@ static int shmem_xattr_validate(const char *name) return -EOPNOTSUPP; }

-static ssize_t shmem_getxattr(struct dentry *dentry, const char *name, - void *buffer, size_t size) +static ssize_t shmem_getxattr(struct dentry *dentry, struct inode *inode, + const char *name, void *buffer, size_t size) { - struct shmem_inode_info *info = SHMEM_I(dentry->d_inode); + struct shmem_inode_info *info = SHMEM_I(inode); int err;

/* @@ -2588,7 +2588,7 @@ static ssize_t shmem_getxattr(struct dentry *dentry, const char *name, * for it via sb->s_xattr. */ if (!strncmp(name, XATTR_SYSTEM_PREFIX, XATTR_SYSTEM_PREFIX_LEN)) - return generic_getxattr(dentry, name, buffer, size); + return generic_getxattr(dentry, inode, name, buffer, size);

err = shmem_xattr_validate(name); if (err) diff --git a/net/socket.c b/net/socket.c index e723717..a70e86c 100644 --- a/net/socket.c +++ b/net/socket.c @@ -470,7 +470,7 @@ static struct socket *sockfd_lookup_light(int fd, int *err, int *fput_needed) #define XATTR_SOCKPROTONAME_SUFFIX "sockprotoname" #define XATTR_NAME_SOCKPROTONAME (XATTR_SYSTEM_PREFIX XATTR_SOCKPROTONAME_SUFFIX) #define XATTR_NAME_SOCKPROTONAME_LEN (sizeof(XATTR_NAME_SOCKPROTONAME)-1) -static ssize_t sockfs_getxattr(struct dentry *dentry, +static ssize_t sockfs_getxattr(struct dentry *dentry, struct inode *inode, const char *name, void *value, size_t size) { const char *proto_name; diff --git a/security/commoncap.c b/security/commoncap.c index 6849e6c..bdbe1e1 100644 --- a/security/commoncap.c +++ b/security/commoncap.c @@ -308,7 +308,7 @@ int cap_inode_need_killpriv(struct dentry *dentry) if (!inode->i_op->getxattr) return 0;

- error = inode->i_op->getxattr(dentry, XATTR_NAME_CAPS, NULL, 0); + error = inode->i_op->getxattr(dentry, inode, XATTR_NAME_CAPS, NULL, 0); if (error <= 0) return 0; return 1; @@ -391,8 +391,8 @@ int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data if (!inode || !inode->i_op->getxattr) return -ENODATA;

- size = inode->i_op->getxattr((struct dentry *)dentry, XATTR_NAME_CAPS, &caps, - XATTR_CAPS_SZ); + size = inode->i_op->getxattr((struct dentry *)dentry, inode, + XATTR_NAME_CAPS, &caps, XATTR_CAPS_SZ); if (size == -ENODATA || size == -EOPNOTSUPP) /* no data, that's ok */ return -ENODATA; diff --git a/security/integrity/evm/evm_main.c b/security/integrity/evm/evm_main.c index e1998df..106d1ac 100644 --- a/security/integrity/evm/evm_main.c +++ b/security/integrity/evm/evm_main.c @@ -83,7 +83,7 @@ static int evm_find_protected_xattrs(struct dentry *dentry) return -EOPNOTSUPP;

for (xattr = evm_config_xattrnames; *xattr != NULL; xattr++) { - error = inode->i_op->getxattr(dentry, *xattr, NULL, 0); + error = inode->i_op->getxattr(dentry, inode, *xattr, NULL, 0); if (error < 0) { if (error == -ENODATA) continue; diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 98370d0..8718f05 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -442,7 +442,8 @@ static int sb_finish_set_opts(struct super_block *sb) rc = -EOPNOTSUPP; goto out; } - rc = root_inode->i_op->getxattr(root, XATTR_NAME_SELINUX, NULL, 0); + rc = root_inode->i_op->getxattr(root, root_inode, + XATTR_NAME_SELINUX, NULL, 0); if (rc < 0 && rc != -ENODATA) { if (rc == -EOPNOTSUPP) printk(KERN_WARNING "SELinux: (dev %s, type " @@ -1344,13 +1345,13 @@ static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dent goto out_unlock; } context[len] = '\0'; - rc = inode->i_op->getxattr(dentry, XATTR_NAME_SELINUX, + rc = inode->i_op->getxattr(dentry, inode, XATTR_NAME_SELINUX, context, len); if (rc == -ERANGE) { kfree(context);

/* Need a larger buffer. Query for the right size. */ - rc = inode->i_op->getxattr(dentry, XATTR_NAME_SELINUX, + rc = inode->i_op->getxattr(dentry, inode, XATTR_NAME_SELINUX, NULL, 0); if (rc < 0) { dput(dentry); @@ -1364,7 +1365,7 @@ static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dent goto out_unlock; } context[len] = '\0'; - rc = inode->i_op->getxattr(dentry, + rc = inode->i_op->getxattr(dentry, inode, XATTR_NAME_SELINUX, context, len); } diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index a72b516..764e521 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -219,7 +219,7 @@ static struct smack_known *smk_fetch(const char *name, struct inode *ip, if (buffer == NULL) return NULL;

- rc = ip->i_op->getxattr(dp, name, buffer, SMK_LONGLABEL); + rc = ip->i_op->getxattr(dp, ip, name, buffer, SMK_LONGLABEL); if (rc > 0) skp = smk_import_entry(buffer, rc);

@@ -3144,7 +3144,7 @@ static void smack_d_instantiate(struct dentry *opt_dentry, struct inode *inode) TRANS_TRUE, TRANS_TRUE_SIZE, 0); } else { - rc = inode->i_op->getxattr(dp, + rc = inode->i_op->getxattr(dp, inode, XATTR_NAME_SMACKTRANSMUTE, trattr, TRANS_TRUE_SIZE); if (rc >= 0 && strncmp(trattr, TRANS_TRUE,