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userns: Convert the sysv filesystem to use kuid/kgid where appropriate 

Cc: Christoph Hellwig <hch@infradead.org>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman 2012-02-10 12:19:23 -08:00
parent 85a03d1bba
commit a726ecce75
2 changed files with 4 additions and 5 deletions
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8
fs/sysv/inode.c
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@ -202,8 +202,8 @@ struct inode *sysv_iget(struct super_block *sb, unsigned int ino)
}
/* SystemV FS: kludge permissions if ino==SYSV_ROOT_INO ?? */
inode->i_mode = fs16_to_cpu(sbi, raw_inode->i_mode);
inode->i_uid = (uid_t)fs16_to_cpu(sbi, raw_inode->i_uid);
inode->i_gid = (gid_t)fs16_to_cpu(sbi, raw_inode->i_gid);
i_uid_write(inode, (uid_t)fs16_to_cpu(sbi, raw_inode->i_uid));
i_gid_write(inode, (gid_t)fs16_to_cpu(sbi, raw_inode->i_gid));
set_nlink(inode, fs16_to_cpu(sbi, raw_inode->i_nlink));
inode->i_size = fs32_to_cpu(sbi, raw_inode->i_size);
inode->i_atime.tv_sec = fs32_to_cpu(sbi, raw_inode->i_atime);
@ -256,8 +256,8 @@ static int __sysv_write_inode(struct inode *inode, int wait)
}
raw_inode->i_mode = cpu_to_fs16(sbi, inode->i_mode);
raw_inode->i_uid = cpu_to_fs16(sbi, fs_high2lowuid(inode->i_uid));
raw_inode->i_gid = cpu_to_fs16(sbi, fs_high2lowgid(inode->i_gid));
raw_inode->i_uid = cpu_to_fs16(sbi, fs_high2lowuid(i_uid_read(inode)));
raw_inode->i_gid = cpu_to_fs16(sbi, fs_high2lowgid(i_gid_read(inode)));
raw_inode->i_nlink = cpu_to_fs16(sbi, inode->i_nlink);
raw_inode->i_size = cpu_to_fs32(sbi, inode->i_size);
raw_inode->i_atime = cpu_to_fs32(sbi, inode->i_atime.tv_sec);

1
init/Kconfig
View File

@ -952,7 +952,6 @@ config UIDGID_CONVERTED
depends on OCFS2_FS = n
depends on REISERFS_FS = n
depends on SQUASHFS = n
depends on SYSV_FS = n
depends on UBIFS_FS = n
depends on UDF_FS = n
depends on UFS_FS = n