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Diffstat (limited to 'fs/gfs2/inode.c')
-rw-r--r--fs/gfs2/inode.c70
1 files changed, 41 insertions, 29 deletions
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index 6cabe5bba1c8..c9775d5c6594 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -325,7 +325,7 @@ struct inode *gfs2_lookupi(struct inode *dir, const struct qstr *name,
}
if (!is_root) {
- error = gfs2_permission(dir, MAY_EXEC);
+ error = gfs2_permission(&init_user_ns, dir, MAY_EXEC);
if (error)
goto out;
}
@@ -355,7 +355,8 @@ static int create_ok(struct gfs2_inode *dip, const struct qstr *name,
{
int error;
- error = gfs2_permission(&dip->i_inode, MAY_WRITE | MAY_EXEC);
+ error = gfs2_permission(&init_user_ns, &dip->i_inode,
+ MAY_WRITE | MAY_EXEC);
if (error)
return error;
@@ -843,8 +844,8 @@ fail:
* Returns: errno
*/
-static int gfs2_create(struct inode *dir, struct dentry *dentry,
- umode_t mode, bool excl)
+static int gfs2_create(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, bool excl)
{
return gfs2_create_inode(dir, dentry, NULL, S_IFREG | mode, 0, NULL, 0, excl);
}
@@ -951,7 +952,7 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir,
if (inode->i_nlink == 0)
goto out_gunlock;
- error = gfs2_permission(dir, MAY_WRITE | MAY_EXEC);
+ error = gfs2_permission(&init_user_ns, dir, MAY_WRITE | MAY_EXEC);
if (error)
goto out_gunlock;
@@ -1068,7 +1069,8 @@ static int gfs2_unlink_ok(struct gfs2_inode *dip, const struct qstr *name,
if (IS_APPEND(&dip->i_inode))
return -EPERM;
- error = gfs2_permission(&dip->i_inode, MAY_WRITE | MAY_EXEC);
+ error = gfs2_permission(&init_user_ns, &dip->i_inode,
+ MAY_WRITE | MAY_EXEC);
if (error)
return error;
@@ -1145,7 +1147,7 @@ static int gfs2_unlink(struct inode *dir, struct dentry *dentry)
if (!rgd)
goto out_inodes;
- gfs2_holder_init(rgd->rd_gl, LM_ST_EXCLUSIVE, 0, ghs + 2);
+ gfs2_holder_init(rgd->rd_gl, LM_ST_EXCLUSIVE, LM_FLAG_NODE_SCOPE, ghs + 2);
error = gfs2_glock_nq(ghs); /* parent */
@@ -1204,8 +1206,8 @@ out_inodes:
* Returns: errno
*/
-static int gfs2_symlink(struct inode *dir, struct dentry *dentry,
- const char *symname)
+static int gfs2_symlink(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, const char *symname)
{
unsigned int size;
@@ -1225,7 +1227,8 @@ static int gfs2_symlink(struct inode *dir, struct dentry *dentry,
* Returns: errno
*/
-static int gfs2_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int gfs2_mkdir(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
unsigned dsize = gfs2_max_stuffed_size(GFS2_I(dir));
return gfs2_create_inode(dir, dentry, NULL, S_IFDIR | mode, 0, NULL, dsize, 0);
@@ -1240,8 +1243,8 @@ static int gfs2_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
*
*/
-static int gfs2_mknod(struct inode *dir, struct dentry *dentry, umode_t mode,
- dev_t dev)
+static int gfs2_mknod(struct user_namespace *mnt_userns, struct inode *dir,
+ struct dentry *dentry, umode_t mode, dev_t dev)
{
return gfs2_create_inode(dir, dentry, NULL, mode, dev, NULL, 0, 0);
}
@@ -1450,8 +1453,8 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry,
error = -ENOENT;
goto out_gunlock;
}
- error = gfs2_glock_nq_init(nrgd->rd_gl, LM_ST_EXCLUSIVE, 0,
- &rd_gh);
+ error = gfs2_glock_nq_init(nrgd->rd_gl, LM_ST_EXCLUSIVE,
+ LM_FLAG_NODE_SCOPE, &rd_gh);
if (error)
goto out_gunlock;
}
@@ -1490,7 +1493,8 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry,
}
}
} else {
- error = gfs2_permission(ndir, MAY_WRITE | MAY_EXEC);
+ error = gfs2_permission(&init_user_ns, ndir,
+ MAY_WRITE | MAY_EXEC);
if (error)
goto out_gunlock;
@@ -1525,7 +1529,8 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry,
/* Check out the dir to be renamed */
if (dir_rename) {
- error = gfs2_permission(d_inode(odentry), MAY_WRITE);
+ error = gfs2_permission(&init_user_ns, d_inode(odentry),
+ MAY_WRITE);
if (error)
goto out_gunlock;
}
@@ -1688,12 +1693,14 @@ static int gfs2_exchange(struct inode *odir, struct dentry *odentry,
goto out_gunlock;
if (S_ISDIR(old_mode)) {
- error = gfs2_permission(odentry->d_inode, MAY_WRITE);
+ error = gfs2_permission(&init_user_ns, odentry->d_inode,
+ MAY_WRITE);
if (error)
goto out_gunlock;
}
if (S_ISDIR(new_mode)) {
- error = gfs2_permission(ndentry->d_inode, MAY_WRITE);
+ error = gfs2_permission(&init_user_ns, ndentry->d_inode,
+ MAY_WRITE);
if (error)
goto out_gunlock;
}
@@ -1747,9 +1754,9 @@ out:
return error;
}
-static int gfs2_rename2(struct inode *odir, struct dentry *odentry,
- struct inode *ndir, struct dentry *ndentry,
- unsigned int flags)
+static int gfs2_rename2(struct user_namespace *mnt_userns, struct inode *odir,
+ struct dentry *odentry, struct inode *ndir,
+ struct dentry *ndentry, unsigned int flags)
{
flags &= ~RENAME_NOREPLACE;
@@ -1833,7 +1840,8 @@ out:
* Returns: errno
*/
-int gfs2_permission(struct inode *inode, int mask)
+int gfs2_permission(struct user_namespace *mnt_userns, struct inode *inode,
+ int mask)
{
struct gfs2_inode *ip;
struct gfs2_holder i_gh;
@@ -1852,7 +1860,7 @@ int gfs2_permission(struct inode *inode, int mask)
if ((mask & MAY_WRITE) && IS_IMMUTABLE(inode))
error = -EPERM;
else
- error = generic_permission(inode, mask);
+ error = generic_permission(&init_user_ns, inode, mask);
if (gfs2_holder_initialized(&i_gh))
gfs2_glock_dq_uninit(&i_gh);
@@ -1861,7 +1869,7 @@ int gfs2_permission(struct inode *inode, int mask)
static int __gfs2_setattr_simple(struct inode *inode, struct iattr *attr)
{
- setattr_copy(inode, attr);
+ setattr_copy(&init_user_ns, inode, attr);
mark_inode_dirty(inode);
return 0;
}
@@ -1963,7 +1971,8 @@ out:
* Returns: errno
*/
-static int gfs2_setattr(struct dentry *dentry, struct iattr *attr)
+static int gfs2_setattr(struct user_namespace *mnt_userns,
+ struct dentry *dentry, struct iattr *attr)
{
struct inode *inode = d_inode(dentry);
struct gfs2_inode *ip = GFS2_I(inode);
@@ -1982,7 +1991,7 @@ static int gfs2_setattr(struct dentry *dentry, struct iattr *attr)
if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
goto error;
- error = setattr_prepare(dentry, attr);
+ error = setattr_prepare(&init_user_ns, dentry, attr);
if (error)
goto error;
@@ -1993,7 +2002,8 @@ static int gfs2_setattr(struct dentry *dentry, struct iattr *attr)
else {
error = gfs2_setattr_simple(inode, attr);
if (!error && attr->ia_valid & ATTR_MODE)
- error = posix_acl_chmod(inode, inode->i_mode);
+ error = posix_acl_chmod(&init_user_ns, inode,
+ inode->i_mode);
}
error:
@@ -2007,6 +2017,7 @@ out:
/**
* gfs2_getattr - Read out an inode's attributes
+ * @mnt_userns: user namespace of the mount the inode was found from
* @path: Object to query
* @stat: The inode's stats
* @request_mask: Mask of STATX_xxx flags indicating the caller's interests
@@ -2021,7 +2032,8 @@ out:
* Returns: errno
*/
-static int gfs2_getattr(const struct path *path, struct kstat *stat,
+static int gfs2_getattr(struct user_namespace *mnt_userns,
+ const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int flags)
{
struct inode *inode = d_inode(path->dentry);
@@ -2049,7 +2061,7 @@ static int gfs2_getattr(const struct path *path, struct kstat *stat,
STATX_ATTR_IMMUTABLE |
STATX_ATTR_NODUMP);
- generic_fillattr(inode, stat);
+ generic_fillattr(&init_user_ns, inode, stat);
if (gfs2_holder_initialized(&gh))
gfs2_glock_dq_uninit(&gh);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.