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Diffstat (limited to 'fs/fat/file.c')
-rw-r--r--fs/fat/file.c24
1 files changed, 13 insertions, 11 deletions
diff --git a/fs/fat/file.c b/fs/fat/file.c
index 5fee74f1ad61..13855ba49cd9 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -95,7 +95,7 @@ static int fat_ioctl_set_attributes(struct file *file, u32 __user *user_attr)
goto out_unlock_inode;
/* This MUST be done before doing anything irreversible... */
- err = fat_setattr(file->f_path.dentry, &ia);
+ err = fat_setattr(file_mnt_user_ns(file), file->f_path.dentry, &ia);
if (err)
goto out_unlock_inode;
@@ -394,11 +394,11 @@ void fat_truncate_blocks(struct inode *inode, loff_t offset)
fat_flush_inodes(inode->i_sb, inode, NULL);
}
-int fat_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int flags)
+int fat_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);
- generic_fillattr(inode, stat);
+ generic_fillattr(mnt_userns, inode, stat);
stat->blksize = MSDOS_SB(inode->i_sb)->cluster_size;
if (MSDOS_SB(inode->i_sb)->options.nfs == FAT_NFS_NOSTALE_RO) {
@@ -447,12 +447,13 @@ static int fat_sanitize_mode(const struct msdos_sb_info *sbi,
return 0;
}
-static int fat_allow_set_time(struct msdos_sb_info *sbi, struct inode *inode)
+static int fat_allow_set_time(struct user_namespace *mnt_userns,
+ struct msdos_sb_info *sbi, struct inode *inode)
{
umode_t allow_utime = sbi->options.allow_utime;
- if (!uid_eq(current_fsuid(), inode->i_uid)) {
- if (in_group_p(inode->i_gid))
+ if (!uid_eq(current_fsuid(), i_uid_into_mnt(mnt_userns, inode))) {
+ if (in_group_p(i_gid_into_mnt(mnt_userns, inode)))
allow_utime >>= 3;
if (allow_utime & MAY_WRITE)
return 1;
@@ -466,7 +467,8 @@ static int fat_allow_set_time(struct msdos_sb_info *sbi, struct inode *inode)
/* valid file mode bits */
#define FAT_VALID_MODE (S_IFREG | S_IFDIR | S_IRWXUGO)
-int fat_setattr(struct dentry *dentry, struct iattr *attr)
+int fat_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
+ struct iattr *attr)
{
struct msdos_sb_info *sbi = MSDOS_SB(dentry->d_sb);
struct inode *inode = d_inode(dentry);
@@ -476,11 +478,11 @@ int fat_setattr(struct dentry *dentry, struct iattr *attr)
/* Check for setting the inode time. */
ia_valid = attr->ia_valid;
if (ia_valid & TIMES_SET_FLAGS) {
- if (fat_allow_set_time(sbi, inode))
+ if (fat_allow_set_time(mnt_userns, sbi, inode))
attr->ia_valid &= ~TIMES_SET_FLAGS;
}
- error = setattr_prepare(dentry, attr);
+ error = setattr_prepare(mnt_userns, dentry, attr);
attr->ia_valid = ia_valid;
if (error) {
if (sbi->options.quiet)
@@ -550,7 +552,7 @@ int fat_setattr(struct dentry *dentry, struct iattr *attr)
fat_truncate_time(inode, &attr->ia_mtime, S_MTIME);
attr->ia_valid &= ~(ATTR_ATIME|ATTR_CTIME|ATTR_MTIME);
- setattr_copy(inode, attr);
+ setattr_copy(mnt_userns, inode, attr);
mark_inode_dirty(inode);
out:
return error;