/*
* 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 */
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
};
#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
#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)
LIST_HEAD(dispose);
int loop = 0;
+ /*
+ * We need to flush the buffer workqueue to ensure that all IO
+ * completion processing is 100% done. Just waiting on buffer locks is
+ * not sufficient for async IO as the reference count held over IO is
+ * not released until after the buffer lock is dropped. Hence we need to
+ * ensure here that all reference counts have been dropped before we
+ * start walking the LRU list.
+ */
+ drain_workqueue(btp->bt_mount->m_buf_workqueue);
+
/* loop until there is nothing left on the lru list. */
while (list_lru_count(&btp->bt_lru)) {
list_lru_walk(&btp->bt_lru, xfs_buftarg_wait_rele,
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));
}
/*
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)
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:
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;
}
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
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
/* 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;
* 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;
* 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.
{
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;
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;
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;
}
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;
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;
}
long tout = 0; /* milliseconds */
current->flags |= PF_MEMALLOC;
- set_freezable();
while (!kthread_should_stop()) {
if (tout && tout <= 20)
#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. */
#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)
projects / cascardo / linux.git / commitdiff