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Merge branch 'xfs-setxattr-promotion' into for-next

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This commit is contained in:
Dave Chinner 2016-01-19 08:16:08 +11:00
commit 4c931f770d
6 changed files with 137 additions and 101 deletions
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11
fs/xfs/libxfs/xfs_format.h
View File

@ -984,8 +984,6 @@ static inline void xfs_dinode_put_rdev(struct xfs_dinode *dip, xfs_dev_t rdev)
/*
* Values for di_flags
* There should be a one-to-one correspondence between these flags and the
* XFS_XFLAG_s.
*/
#define XFS_DIFLAG_REALTIME_BIT 0 /* file's blocks come from rt area */
#define XFS_DIFLAG_PREALLOC_BIT 1 /* file space has been preallocated */
@ -1025,6 +1023,15 @@ static inline void xfs_dinode_put_rdev(struct xfs_dinode *dip, xfs_dev_t rdev)
XFS_DIFLAG_PROJINHERIT | XFS_DIFLAG_NOSYMLINKS | XFS_DIFLAG_EXTSIZE | \
XFS_DIFLAG_EXTSZINHERIT | XFS_DIFLAG_NODEFRAG | XFS_DIFLAG_FILESTREAM)
/*
* Values for di_flags2 These start by being exposed to userspace in the upper
* 16 bits of the XFS_XFLAG_s range.
*/
#define XFS_DIFLAG2_DAX_BIT 0 /* use DAX for this inode */
#define XFS_DIFLAG2_DAX (1 << XFS_DIFLAG2_DAX_BIT)
#define XFS_DIFLAG2_ANY (XFS_DIFLAG2_DAX)
/*
* Inode number format:
* low inopblog bits - offset in block

38
fs/xfs/libxfs/xfs_fs.h
View File

@ -35,40 +35,6 @@ struct dioattr {
};
#endif
/*
* Structure for XFS_IOC_FSGETXATTR[A] and XFS_IOC_FSSETXATTR.
*/
#ifndef HAVE_FSXATTR
struct fsxattr {
__u32 fsx_xflags; /* xflags field value (get/set) */
__u32 fsx_extsize; /* extsize field value (get/set)*/
__u32 fsx_nextents; /* nextents field value (get) */
__u32 fsx_projid; /* project identifier (get/set) */
unsigned char fsx_pad[12];
};
#endif
/*
* Flags for the bs_xflags/fsx_xflags field
* There should be a one-to-one correspondence between these flags and the
* XFS_DIFLAG_s.
*/
#define XFS_XFLAG_REALTIME 0x00000001 /* data in realtime volume */
#define XFS_XFLAG_PREALLOC 0x00000002 /* preallocated file extents */
#define XFS_XFLAG_IMMUTABLE 0x00000008 /* file cannot be modified */
#define XFS_XFLAG_APPEND 0x00000010 /* all writes append */
#define XFS_XFLAG_SYNC 0x00000020 /* all writes synchronous */
#define XFS_XFLAG_NOATIME 0x00000040 /* do not update access time */
#define XFS_XFLAG_NODUMP 0x00000080 /* do not include in backups */
#define XFS_XFLAG_RTINHERIT 0x00000100 /* create with rt bit set */
#define XFS_XFLAG_PROJINHERIT 0x00000200 /* create with parents projid */
#define XFS_XFLAG_NOSYMLINKS 0x00000400 /* disallow symlink creation */
#define XFS_XFLAG_EXTSIZE 0x00000800 /* extent size allocator hint */
#define XFS_XFLAG_EXTSZINHERIT 0x00001000 /* inherit inode extent size */
#define XFS_XFLAG_NODEFRAG 0x00002000 /* do not defragment */
#define XFS_XFLAG_FILESTREAM 0x00004000 /* use filestream allocator */
#define XFS_XFLAG_HASATTR 0x80000000 /* no DIFLAG for this */
/*
* Structure for XFS_IOC_GETBMAP.
* On input, fill in bmv_offset and bmv_length of the first structure
@ -514,8 +480,8 @@ typedef struct xfs_swapext
#define XFS_IOC_ALLOCSP _IOW ('X', 10, struct xfs_flock64)
#define XFS_IOC_FREESP _IOW ('X', 11, struct xfs_flock64)
#define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr)
#define XFS_IOC_FSGETXATTR _IOR ('X', 31, struct fsxattr)
#define XFS_IOC_FSSETXATTR _IOW ('X', 32, struct fsxattr)
#define XFS_IOC_FSGETXATTR FS_IOC_FSGETXATTR
#define XFS_IOC_FSSETXATTR FS_IOC_FSSETXATTR
#define XFS_IOC_ALLOCSP64 _IOW ('X', 36, struct xfs_flock64)
#define XFS_IOC_FREESP64 _IOW ('X', 37, struct xfs_flock64)
#define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap)

60
fs/xfs/xfs_inode.c
View File

@ -610,60 +610,69 @@ __xfs_iflock(
STATIC uint
_xfs_dic2xflags(
__uint16_t di_flags)
__uint16_t di_flags,
uint64_t di_flags2,
bool has_attr)
{
uint flags = 0;
if (di_flags & XFS_DIFLAG_ANY) {
if (di_flags & XFS_DIFLAG_REALTIME)
flags |= XFS_XFLAG_REALTIME;
flags |= FS_XFLAG_REALTIME;
if (di_flags & XFS_DIFLAG_PREALLOC)
flags |= XFS_XFLAG_PREALLOC;
flags |= FS_XFLAG_PREALLOC;
if (di_flags & XFS_DIFLAG_IMMUTABLE)
flags |= XFS_XFLAG_IMMUTABLE;
flags |= FS_XFLAG_IMMUTABLE;
if (di_flags & XFS_DIFLAG_APPEND)
flags |= XFS_XFLAG_APPEND;
flags |= FS_XFLAG_APPEND;
if (di_flags & XFS_DIFLAG_SYNC)
flags |= XFS_XFLAG_SYNC;
flags |= FS_XFLAG_SYNC;
if (di_flags & XFS_DIFLAG_NOATIME)
flags |= XFS_XFLAG_NOATIME;
flags |= FS_XFLAG_NOATIME;
if (di_flags & XFS_DIFLAG_NODUMP)
flags |= XFS_XFLAG_NODUMP;
flags |= FS_XFLAG_NODUMP;
if (di_flags & XFS_DIFLAG_RTINHERIT)
flags |= XFS_XFLAG_RTINHERIT;
flags |= FS_XFLAG_RTINHERIT;
if (di_flags & XFS_DIFLAG_PROJINHERIT)
flags |= XFS_XFLAG_PROJINHERIT;
flags |= FS_XFLAG_PROJINHERIT;
if (di_flags & XFS_DIFLAG_NOSYMLINKS)
flags |= XFS_XFLAG_NOSYMLINKS;
flags |= FS_XFLAG_NOSYMLINKS;
if (di_flags & XFS_DIFLAG_EXTSIZE)
flags |= XFS_XFLAG_EXTSIZE;
flags |= FS_XFLAG_EXTSIZE;
if (di_flags & XFS_DIFLAG_EXTSZINHERIT)
flags |= XFS_XFLAG_EXTSZINHERIT;
flags |= FS_XFLAG_EXTSZINHERIT;
if (di_flags & XFS_DIFLAG_NODEFRAG)
flags |= XFS_XFLAG_NODEFRAG;
flags |= FS_XFLAG_NODEFRAG;
if (di_flags & XFS_DIFLAG_FILESTREAM)
flags |= XFS_XFLAG_FILESTREAM;
flags |= FS_XFLAG_FILESTREAM;
}
if (di_flags2 & XFS_DIFLAG2_ANY) {
if (di_flags2 & XFS_DIFLAG2_DAX)
flags |= FS_XFLAG_DAX;
}
if (has_attr)
flags |= FS_XFLAG_HASATTR;
return flags;
}
uint
xfs_ip2xflags(
xfs_inode_t *ip)
struct xfs_inode *ip)
{
xfs_icdinode_t *dic = &ip->i_d;
struct xfs_icdinode *dic = &ip->i_d;
return _xfs_dic2xflags(dic->di_flags) |
(XFS_IFORK_Q(ip) ? XFS_XFLAG_HASATTR : 0);
return _xfs_dic2xflags(dic->di_flags, dic->di_flags2, XFS_IFORK_Q(ip));
}
uint
xfs_dic2xflags(
xfs_dinode_t *dip)
struct xfs_dinode *dip)
{
return _xfs_dic2xflags(be16_to_cpu(dip->di_flags)) |
(XFS_DFORK_Q(dip) ? XFS_XFLAG_HASATTR : 0);
return _xfs_dic2xflags(be16_to_cpu(dip->di_flags),
be64_to_cpu(dip->di_flags2), XFS_DFORK_Q(dip));
}
/*
@ -862,7 +871,8 @@ xfs_ialloc(
case S_IFREG:
case S_IFDIR:
if (pip && (pip->i_d.di_flags & XFS_DIFLAG_ANY)) {
uint di_flags = 0;
uint64_t di_flags2 = 0;
uint di_flags = 0;
if (S_ISDIR(mode)) {
if (pip->i_d.di_flags & XFS_DIFLAG_RTINHERIT)
@ -898,7 +908,11 @@ xfs_ialloc(
di_flags |= XFS_DIFLAG_NODEFRAG;
if (pip->i_d.di_flags & XFS_DIFLAG_FILESTREAM)
di_flags |= XFS_DIFLAG_FILESTREAM;
if (pip->i_d.di_flags2 & XFS_DIFLAG2_DAX)
di_flags2 |= XFS_DIFLAG2_DAX;
ip->i_d.di_flags |= di_flags;
ip->i_d.di_flags2 |= di_flags2;
}
/* FALLTHROUGH */
case S_IFLNK:

92
fs/xfs/xfs_ioctl.c
View File

@ -859,25 +859,25 @@ xfs_merge_ioc_xflags(
unsigned int xflags = start;
if (flags & FS_IMMUTABLE_FL)
xflags |= XFS_XFLAG_IMMUTABLE;
xflags |= FS_XFLAG_IMMUTABLE;
else
xflags &= ~XFS_XFLAG_IMMUTABLE;
xflags &= ~FS_XFLAG_IMMUTABLE;
if (flags & FS_APPEND_FL)
xflags |= XFS_XFLAG_APPEND;
xflags |= FS_XFLAG_APPEND;
else
xflags &= ~XFS_XFLAG_APPEND;
xflags &= ~FS_XFLAG_APPEND;
if (flags & FS_SYNC_FL)
xflags |= XFS_XFLAG_SYNC;
xflags |= FS_XFLAG_SYNC;
else
xflags &= ~XFS_XFLAG_SYNC;
xflags &= ~FS_XFLAG_SYNC;
if (flags & FS_NOATIME_FL)
xflags |= XFS_XFLAG_NOATIME;
xflags |= FS_XFLAG_NOATIME;
else
xflags &= ~XFS_XFLAG_NOATIME;
xflags &= ~FS_XFLAG_NOATIME;
if (flags & FS_NODUMP_FL)
xflags |= XFS_XFLAG_NODUMP;
xflags |= FS_XFLAG_NODUMP;
else
xflags &= ~XFS_XFLAG_NODUMP;
xflags &= ~FS_XFLAG_NODUMP;
return xflags;
}
@ -945,40 +945,51 @@ xfs_set_diflags(
unsigned int xflags)
{
unsigned int di_flags;
uint64_t di_flags2;
/* can't set PREALLOC this way, just preserve it */
di_flags = (ip->i_d.di_flags & XFS_DIFLAG_PREALLOC);
if (xflags & XFS_XFLAG_IMMUTABLE)
if (xflags & FS_XFLAG_IMMUTABLE)
di_flags |= XFS_DIFLAG_IMMUTABLE;
if (xflags & XFS_XFLAG_APPEND)
if (xflags & FS_XFLAG_APPEND)
di_flags |= XFS_DIFLAG_APPEND;
if (xflags & XFS_XFLAG_SYNC)
if (xflags & FS_XFLAG_SYNC)
di_flags |= XFS_DIFLAG_SYNC;
if (xflags & XFS_XFLAG_NOATIME)
if (xflags & FS_XFLAG_NOATIME)
di_flags |= XFS_DIFLAG_NOATIME;
if (xflags & XFS_XFLAG_NODUMP)
if (xflags & FS_XFLAG_NODUMP)
di_flags |= XFS_DIFLAG_NODUMP;
if (xflags & XFS_XFLAG_NODEFRAG)
if (xflags & FS_XFLAG_NODEFRAG)
di_flags |= XFS_DIFLAG_NODEFRAG;
if (xflags & XFS_XFLAG_FILESTREAM)
if (xflags & FS_XFLAG_FILESTREAM)
di_flags |= XFS_DIFLAG_FILESTREAM;
if (S_ISDIR(ip->i_d.di_mode)) {
if (xflags & XFS_XFLAG_RTINHERIT)
if (xflags & FS_XFLAG_RTINHERIT)
di_flags |= XFS_DIFLAG_RTINHERIT;
if (xflags & XFS_XFLAG_NOSYMLINKS)
if (xflags & FS_XFLAG_NOSYMLINKS)
di_flags |= XFS_DIFLAG_NOSYMLINKS;
if (xflags & XFS_XFLAG_EXTSZINHERIT)
if (xflags & FS_XFLAG_EXTSZINHERIT)
di_flags |= XFS_DIFLAG_EXTSZINHERIT;
if (xflags & XFS_XFLAG_PROJINHERIT)
if (xflags & FS_XFLAG_PROJINHERIT)
di_flags |= XFS_DIFLAG_PROJINHERIT;
} else if (S_ISREG(ip->i_d.di_mode)) {
if (xflags & XFS_XFLAG_REALTIME)
if (xflags & FS_XFLAG_REALTIME)
di_flags |= XFS_DIFLAG_REALTIME;
if (xflags & XFS_XFLAG_EXTSIZE)
if (xflags & FS_XFLAG_EXTSIZE)
di_flags |= XFS_DIFLAG_EXTSIZE;
}
ip->i_d.di_flags = di_flags;
/* diflags2 only valid for v3 inodes. */
if (ip->i_d.di_version < 3)
return;
di_flags2 = 0;
if (xflags & FS_XFLAG_DAX)
di_flags2 |= XFS_DIFLAG2_DAX;
ip->i_d.di_flags2 = di_flags2;
}
STATIC void
@ -988,22 +999,27 @@ xfs_diflags_to_linux(
struct inode *inode = VFS_I(ip);
unsigned int xflags = xfs_ip2xflags(ip);
if (xflags & XFS_XFLAG_IMMUTABLE)
if (xflags & FS_XFLAG_IMMUTABLE)
inode->i_flags |= S_IMMUTABLE;
else
inode->i_flags &= ~S_IMMUTABLE;
if (xflags & XFS_XFLAG_APPEND)
if (xflags & FS_XFLAG_APPEND)
inode->i_flags |= S_APPEND;
else
inode->i_flags &= ~S_APPEND;
if (xflags & XFS_XFLAG_SYNC)
if (xflags & FS_XFLAG_SYNC)
inode->i_flags |= S_SYNC;
else
inode->i_flags &= ~S_SYNC;
if (xflags & XFS_XFLAG_NOATIME)
if (xflags & FS_XFLAG_NOATIME)
inode->i_flags |= S_NOATIME;
else
inode->i_flags &= ~S_NOATIME;
if (xflags & FS_XFLAG_DAX)
inode->i_flags |= S_DAX;
else
inode->i_flags &= ~S_DAX;
}
static int
@ -1016,11 +1032,11 @@ xfs_ioctl_setattr_xflags(
/* Can't change realtime flag if any extents are allocated. */
if ((ip->i_d.di_nextents || ip->i_delayed_blks) &&
XFS_IS_REALTIME_INODE(ip) != (fa->fsx_xflags & XFS_XFLAG_REALTIME))
XFS_IS_REALTIME_INODE(ip) != (fa->fsx_xflags & FS_XFLAG_REALTIME))
return -EINVAL;
/* If realtime flag is set then must have realtime device */
if (fa->fsx_xflags & XFS_XFLAG_REALTIME) {
if (fa->fsx_xflags & FS_XFLAG_REALTIME) {
if (mp->m_sb.sb_rblocks == 0 || mp->m_sb.sb_rextsize == 0 ||
(ip->i_d.di_extsize % mp->m_sb.sb_rextsize))
return -EINVAL;
@ -1031,7 +1047,7 @@ xfs_ioctl_setattr_xflags(
* we have appropriate permission.
*/
if (((ip->i_d.di_flags & (XFS_DIFLAG_IMMUTABLE | XFS_DIFLAG_APPEND)) ||
(fa->fsx_xflags & (XFS_XFLAG_IMMUTABLE | XFS_XFLAG_APPEND))) &&
(fa->fsx_xflags & (FS_XFLAG_IMMUTABLE | FS_XFLAG_APPEND))) &&
!capable(CAP_LINUX_IMMUTABLE))
return -EPERM;
@ -1095,8 +1111,8 @@ xfs_ioctl_setattr_get_trans(
* extent size hint validation is somewhat cumbersome. Rules are:
*
* 1. extent size hint is only valid for directories and regular files
* 2. XFS_XFLAG_EXTSIZE is only valid for regular files
* 3. XFS_XFLAG_EXTSZINHERIT is only valid for directories.
* 2. FS_XFLAG_EXTSIZE is only valid for regular files
* 3. FS_XFLAG_EXTSZINHERIT is only valid for directories.
* 4. can only be changed on regular files if no extents are allocated
* 5. can be changed on directories at any time
* 6. extsize hint of 0 turns off hints, clears inode flags.
@ -1112,10 +1128,10 @@ xfs_ioctl_setattr_check_extsize(
{
struct xfs_mount *mp = ip->i_mount;
if ((fa->fsx_xflags & XFS_XFLAG_EXTSIZE) && !S_ISREG(ip->i_d.di_mode))
if ((fa->fsx_xflags & FS_XFLAG_EXTSIZE) && !S_ISREG(ip->i_d.di_mode))
return -EINVAL;
if ((fa->fsx_xflags & XFS_XFLAG_EXTSZINHERIT) &&
if ((fa->fsx_xflags & FS_XFLAG_EXTSZINHERIT) &&
!S_ISDIR(ip->i_d.di_mode))
return -EINVAL;
@ -1132,7 +1148,7 @@ xfs_ioctl_setattr_check_extsize(
return -EINVAL;
if (XFS_IS_REALTIME_INODE(ip) ||
(fa->fsx_xflags & XFS_XFLAG_REALTIME)) {
(fa->fsx_xflags & FS_XFLAG_REALTIME)) {
size = mp->m_sb.sb_rextsize << mp->m_sb.sb_blocklog;
} else {
size = mp->m_sb.sb_blocksize;
@ -1143,7 +1159,7 @@ xfs_ioctl_setattr_check_extsize(
if (fa->fsx_extsize % size)
return -EINVAL;
} else
fa->fsx_xflags &= ~(XFS_XFLAG_EXTSIZE | XFS_XFLAG_EXTSZINHERIT);
fa->fsx_xflags &= ~(FS_XFLAG_EXTSIZE | FS_XFLAG_EXTSZINHERIT);
return 0;
}
@ -1168,7 +1184,7 @@ xfs_ioctl_setattr_check_projid(
if (xfs_get_projid(ip) != fa->fsx_projid)
return -EINVAL;
if ((fa->fsx_xflags & XFS_XFLAG_PROJINHERIT) !=
if ((fa->fsx_xflags & FS_XFLAG_PROJINHERIT) !=
(ip->i_d.di_flags & XFS_DIFLAG_PROJINHERIT))
return -EINVAL;

4
fs/xfs/xfs_iops.c
View File

@ -1201,8 +1201,8 @@ xfs_diflags_to_iflags(
inode->i_flags |= S_SYNC;
if (flags & XFS_DIFLAG_NOATIME)
inode->i_flags |= S_NOATIME;
/* XXX: Also needs an on-disk per inode flag! */
if (ip->i_mount->m_flags & XFS_MOUNT_DAX)
if (ip->i_mount->m_flags & XFS_MOUNT_DAX ||
ip->i_d.di_flags2 & XFS_DIFLAG2_DAX)
inode->i_flags |= S_DAX;
}

33
include/uapi/linux/fs.h
View File

@ -110,6 +110,37 @@ struct inodes_stat_t {
#define MS_MGC_VAL 0xC0ED0000
#define MS_MGC_MSK 0xffff0000
/*
* Structure for FS_IOC_FSGETXATTR[A] and FS_IOC_FSSETXATTR.
*/
struct fsxattr {
__u32 fsx_xflags; /* xflags field value (get/set) */
__u32 fsx_extsize; /* extsize field value (get/set)*/
__u32 fsx_nextents; /* nextents field value (get) */
__u32 fsx_projid; /* project identifier (get/set) */
unsigned char fsx_pad[12];
};
/*
* Flags for the fsx_xflags field
*/
#define FS_XFLAG_REALTIME 0x00000001 /* data in realtime volume */
#define FS_XFLAG_PREALLOC 0x00000002 /* preallocated file extents */
#define FS_XFLAG_IMMUTABLE 0x00000008 /* file cannot be modified */
#define FS_XFLAG_APPEND 0x00000010 /* all writes append */
#define FS_XFLAG_SYNC 0x00000020 /* all writes synchronous */
#define FS_XFLAG_NOATIME 0x00000040 /* do not update access time */
#define FS_XFLAG_NODUMP 0x00000080 /* do not include in backups */
#define FS_XFLAG_RTINHERIT 0x00000100 /* create with rt bit set */
#define FS_XFLAG_PROJINHERIT 0x00000200 /* create with parents projid */
#define FS_XFLAG_NOSYMLINKS 0x00000400 /* disallow symlink creation */
#define FS_XFLAG_EXTSIZE 0x00000800 /* extent size allocator hint */
#define FS_XFLAG_EXTSZINHERIT 0x00001000 /* inherit inode extent size */
#define FS_XFLAG_NODEFRAG 0x00002000 /* do not defragment */
#define FS_XFLAG_FILESTREAM 0x00004000 /* use filestream allocator */
#define FS_XFLAG_DAX 0x00008000 /* use DAX for IO */
#define FS_XFLAG_HASATTR 0x80000000 /* no DIFLAG for this */
/* the read-only stuff doesn't really belong here, but any other place is
probably as bad and I don't want to create yet another include file. */
@ -169,6 +200,8 @@ struct inodes_stat_t {
#define FS_IOC32_SETFLAGS _IOW('f', 2, int)
#define FS_IOC32_GETVERSION _IOR('v', 1, int)
#define FS_IOC32_SETVERSION _IOW('v', 2, int)
#define FS_IOC_FSGETXATTR _IOR ('X', 31, struct fsxattr)
#define FS_IOC_FSSETXATTR _IOW ('X', 32, struct fsxattr)
/*
* Inode flags (FS_IOC_GETFLAGS / FS_IOC_SETFLAGS)