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xfs: Extend project quotas to support 32bit project ids

Browse source 
This patch adds support for 32bit project quota identifiers.

On disk format is backward compatible with 16bit projid numbers. projid
on disk is now kept in two 16bit values - di_projid_lo (which holds the
same position as old 16bit projid value) and new di_projid_hi (takes
existing padding) and converts from/to 32bit value on the fly.

xfs_admin (for existing fs), mkfs.xfs (for new fs) needs to be used
to enable PROJID32BIT support.

Signed-off-by: Arkadiusz Miśkiewicz <arekm@maven.pl>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
This commit is contained in:
Arkadiusz Mi?kiewicz 2010-09-26 06:10:18 +00:00 committed by Alex Elder
parent 1a1a3e97ba
commit 6743099ce5
16 changed files with 80 additions and 44 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
fs/xfs/linux-2.6/xfs_ioctl.c
View file

@ -790,7 +790,7 @@ xfs_ioc_fsgetxattr(
xfs_ilock(ip, XFS_ILOCK_SHARED);
fa.fsx_xflags = xfs_ip2xflags(ip);
fa.fsx_extsize = ip->i_d.di_extsize << ip->i_mount->m_sb.sb_blocklog;
fa.fsx_projid = ip->i_d.di_projid;
fa.fsx_projid = xfs_get_projid(ip);
if (attr) {
if (ip->i_afp) {
@ -909,10 +909,10 @@ xfs_ioctl_setattr(
return XFS_ERROR(EIO);
/*
* Disallow 32bit project ids because on-disk structure
* is 16bit only.
* Disallow 32bit project ids when projid32bit feature is not enabled.
*/
if ((mask & FSX_PROJID) && (fa->fsx_projid > (__uint16_t)-1))
if ((mask & FSX_PROJID) && (fa->fsx_projid > (__uint16_t)-1) &&
!xfs_sb_version_hasprojid32bit(&ip->i_mount->m_sb))
return XFS_ERROR(EINVAL);
/*
@ -961,7 +961,7 @@ xfs_ioctl_setattr(
if (mask & FSX_PROJID) {
if (XFS_IS_QUOTA_RUNNING(mp) &&
XFS_IS_PQUOTA_ON(mp) &&
ip->i_d.di_projid != fa->fsx_projid) {
xfs_get_projid(ip) != fa->fsx_projid) {
ASSERT(tp);
code = xfs_qm_vop_chown_reserve(tp, ip, udqp, gdqp,
capable(CAP_FOWNER) ?
@ -1063,12 +1063,12 @@ xfs_ioctl_setattr(
* Change the ownerships and register quota modifications
* in the transaction.
*/
if (ip->i_d.di_projid != fa->fsx_projid) {
if (xfs_get_projid(ip) != fa->fsx_projid) {
if (XFS_IS_QUOTA_RUNNING(mp) && XFS_IS_PQUOTA_ON(mp)) {
olddquot = xfs_qm_vop_chown(tp, ip,
&ip->i_gdquot, gdqp);
}
ip->i_d.di_projid = fa->fsx_projid;
xfs_set_projid(ip, fa->fsx_projid);
/*
* We may have to rev the inode as well as

4
fs/xfs/linux-2.6/xfs_ioctl32.c
View file

@ -164,7 +164,8 @@ xfs_ioctl32_bstat_copyin(
get_user(bstat->bs_extsize, &bstat32->bs_extsize) ||
get_user(bstat->bs_extents, &bstat32->bs_extents) ||
get_user(bstat->bs_gen, &bstat32->bs_gen) ||
get_user(bstat->bs_projid, &bstat32->bs_projid) ||
get_user(bstat->bs_projid_lo, &bstat32->bs_projid_lo) ||
get_user(bstat->bs_projid_hi, &bstat32->bs_projid_hi) ||
get_user(bstat->bs_dmevmask, &bstat32->bs_dmevmask) ||
get_user(bstat->bs_dmstate, &bstat32->bs_dmstate) ||
get_user(bstat->bs_aextents, &bstat32->bs_aextents))
@ -218,6 +219,7 @@ xfs_bulkstat_one_fmt_compat(
put_user(buffer->bs_extents, &p32->bs_extents) ||
put_user(buffer->bs_gen, &p32->bs_gen) ||
put_user(buffer->bs_projid, &p32->bs_projid) ||
put_user(buffer->bs_projid_hi, &p32->bs_projid_hi) ||
put_user(buffer->bs_dmevmask, &p32->bs_dmevmask) ||
put_user(buffer->bs_dmstate, &p32->bs_dmstate) ||
put_user(buffer->bs_aextents, &p32->bs_aextents))

6
fs/xfs/linux-2.6/xfs_ioctl32.h
View file

@ -65,8 +65,10 @@ typedef struct compat_xfs_bstat {
__s32 bs_extsize; /* extent size */
__s32 bs_extents; /* number of extents */
__u32 bs_gen; /* generation count */
__u16 bs_projid; /* project id */
unsigned char bs_pad[14]; /* pad space, unused */
__u16 bs_projid_lo; /* lower part of project id */
#define bs_projid bs_projid_lo /* (previously just bs_projid) */
__u16 bs_projid_hi; /* high part of project id */
unsigned char bs_pad[12]; /* pad space, unused */
__u32 bs_dmevmask; /* DMIG event mask */
__u16 bs_dmstate; /* DMIG state info */
__u16 bs_aextents; /* attribute number of extents */

2
fs/xfs/linux-2.6/xfs_linux.h
View file

@ -143,7 +143,7 @@
#define SYNCHRONIZE() barrier()
#define __return_address __builtin_return_address(0)
#define dfltprid 0
#define XFS_PROJID_DEFAULT 0
#define MAXPATHLEN 1024
#define MIN(a,b) (min(a,b))

10
fs/xfs/quota/xfs_qm.c
View file

@ -835,7 +835,7 @@ xfs_qm_dqattach_locked(
xfs_qm_dqattach_one(ip, ip->i_d.di_gid, XFS_DQ_GROUP,
flags & XFS_QMOPT_DQALLOC,
ip->i_udquot, &ip->i_gdquot) :
xfs_qm_dqattach_one(ip, ip->i_d.di_projid, XFS_DQ_PROJ,
xfs_qm_dqattach_one(ip, xfs_get_projid(ip), XFS_DQ_PROJ,
flags & XFS_QMOPT_DQALLOC,
ip->i_udquot, &ip->i_gdquot);
/*
@ -1630,7 +1630,7 @@ xfs_qm_dqusage_adjust(
}
if (XFS_IS_PQUOTA_ON(mp)) {
error = xfs_qm_quotacheck_dqadjust(ip, ip->i_d.di_projid,
error = xfs_qm_quotacheck_dqadjust(ip, xfs_get_projid(ip),
XFS_DQ_PROJ, nblks, rtblks);
if (error)
goto error0;
@ -2249,7 +2249,7 @@ xfs_qm_vop_dqalloc(
xfs_dqunlock(gq);
}
} else if ((flags & XFS_QMOPT_PQUOTA) && XFS_IS_PQUOTA_ON(mp)) {
if (ip->i_d.di_projid != prid) {
if (xfs_get_projid(ip) != prid) {
xfs_iunlock(ip, lockflags);
if ((error = xfs_qm_dqget(mp, NULL, (xfs_dqid_t)prid,
XFS_DQ_PROJ,
@ -2371,7 +2371,7 @@ xfs_qm_vop_chown_reserve(
}
if (XFS_IS_OQUOTA_ON(ip->i_mount) && gdqp) {
if (XFS_IS_PQUOTA_ON(ip->i_mount) &&
ip->i_d.di_projid != be32_to_cpu(gdqp->q_core.d_id))
xfs_get_projid(ip) != be32_to_cpu(gdqp->q_core.d_id))
prjflags = XFS_QMOPT_ENOSPC;
if (prjflags ||
@ -2475,7 +2475,7 @@ xfs_qm_vop_create_dqattach(
ip->i_gdquot = gdqp;
ASSERT(XFS_IS_OQUOTA_ON(mp));
ASSERT((XFS_IS_GQUOTA_ON(mp) ?
ip->i_d.di_gid : ip->i_d.di_projid) ==
ip->i_d.di_gid : xfs_get_projid(ip)) ==
be32_to_cpu(gdqp->q_core.d_id));
xfs_trans_mod_dquot(tp, gdqp, XFS_TRANS_DQ_ICOUNT, 1);
}

2
fs/xfs/quota/xfs_qm_bhv.c
View file

@ -81,7 +81,7 @@ xfs_qm_statvfs(
xfs_mount_t *mp = ip->i_mount;
xfs_dquot_t *dqp;
if (!xfs_qm_dqget(mp, NULL, ip->i_d.di_projid, XFS_DQ_PROJ, 0, &dqp)) {
if (!xfs_qm_dqget(mp, NULL, xfs_get_projid(ip), XFS_DQ_PROJ, 0, &dqp)) {
xfs_fill_statvfs_from_dquot(statp, &dqp->q_core);
xfs_qm_dqput(dqp);
}

2
fs/xfs/quota/xfs_qm_syscalls.c
View file

@ -1165,7 +1165,7 @@ xfs_qm_internalqcheck_adjust(
}
xfs_qm_internalqcheck_get_dquots(mp,
(xfs_dqid_t) ip->i_d.di_uid,
(xfs_dqid_t) ip->i_d.di_projid,
(xfs_dqid_t) xfs_get_projid(ip),
(xfs_dqid_t) ip->i_d.di_gid,
&ud, &gd);
if (XFS_IS_UQUOTA_ON(mp)) {

5
fs/xfs/xfs_dinode.h
View file

@ -49,8 +49,9 @@ typedef struct xfs_dinode {
__be32 di_uid; /* owner's user id */
__be32 di_gid; /* owner's group id */
__be32 di_nlink; /* number of links to file */
__be16 di_projid; /* owner's project id */
__u8 di_pad[8]; /* unused, zeroed space */
__be16 di_projid_lo; /* lower part of owner's project id */
__be16 di_projid_hi; /* higher part owner's project id */
__u8 di_pad[6]; /* unused, zeroed space */
__be16 di_flushiter; /* incremented on flush */
xfs_timestamp_t di_atime; /* time last accessed */
xfs_timestamp_t di_mtime; /* time last modified */

6
fs/xfs/xfs_fs.h
View file

@ -293,9 +293,11 @@ typedef struct xfs_bstat {
__s32 bs_extsize; /* extent size */
__s32 bs_extents; /* number of extents */
__u32 bs_gen; /* generation count */
__u16 bs_projid; /* project id */
__u16 bs_projid_lo; /* lower part of project id */
#define bs_projid bs_projid_lo /* (previously just bs_projid) */
__u16 bs_forkoff; /* inode fork offset in bytes */
unsigned char bs_pad[12]; /* pad space, unused */
__u16 bs_projid_hi; /* higher part of project id */
unsigned char bs_pad[10]; /* pad space, unused */
__u32 bs_dmevmask; /* DMIG event mask */
__u16 bs_dmstate; /* DMIG state info */
__u16 bs_aextents; /* attribute number of extents */

14
fs/xfs/xfs_inode.c
View file

@ -660,7 +660,8 @@ xfs_dinode_from_disk(
to->di_uid = be32_to_cpu(from->di_uid);
to->di_gid = be32_to_cpu(from->di_gid);
to->di_nlink = be32_to_cpu(from->di_nlink);
to->di_projid = be16_to_cpu(from->di_projid);
to->di_projid_lo = be16_to_cpu(from->di_projid_lo);
to->di_projid_hi = be16_to_cpu(from->di_projid_hi);
memcpy(to->di_pad, from->di_pad, sizeof(to->di_pad));
to->di_flushiter = be16_to_cpu(from->di_flushiter);
to->di_atime.t_sec = be32_to_cpu(from->di_atime.t_sec);
@ -695,7 +696,8 @@ xfs_dinode_to_disk(
to->di_uid = cpu_to_be32(from->di_uid);
to->di_gid = cpu_to_be32(from->di_gid);
to->di_nlink = cpu_to_be32(from->di_nlink);
to->di_projid = cpu_to_be16(from->di_projid);
to->di_projid_lo = cpu_to_be16(from->di_projid_lo);
to->di_projid_hi = cpu_to_be16(from->di_projid_hi);
memcpy(to->di_pad, from->di_pad, sizeof(to->di_pad));
to->di_flushiter = cpu_to_be16(from->di_flushiter);
to->di_atime.t_sec = cpu_to_be32(from->di_atime.t_sec);
@ -874,7 +876,7 @@ xfs_iread(
if (ip->i_d.di_version == 1) {
ip->i_d.di_nlink = ip->i_d.di_onlink;
ip->i_d.di_onlink = 0;
ip->i_d.di_projid = 0;
xfs_set_projid(ip, 0);
}
ip->i_delayed_blks = 0;
@ -982,7 +984,7 @@ xfs_ialloc(
mode_t mode,
xfs_nlink_t nlink,
xfs_dev_t rdev,
xfs_prid_t prid,
prid_t prid,
int okalloc,
xfs_buf_t **ialloc_context,
boolean_t *call_again,
@ -1026,7 +1028,7 @@ xfs_ialloc(
ASSERT(ip->i_d.di_nlink == nlink);
ip->i_d.di_uid = current_fsuid();
ip->i_d.di_gid = current_fsgid();
ip->i_d.di_projid = prid;
xfs_set_projid(ip, prid);
memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad));
/*
@ -3007,7 +3009,7 @@ xfs_iflush_int(
memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad));
memset(&(dip->di_pad[0]), 0,
sizeof(dip->di_pad));
ASSERT(ip->i_d.di_projid == 0);
ASSERT(xfs_get_projid(ip) == 0);
}
}

26
fs/xfs/xfs_inode.h
View file

@ -134,8 +134,9 @@ typedef struct xfs_icdinode {
__uint32_t di_uid; /* owner's user id */
__uint32_t di_gid; /* owner's group id */
__uint32_t di_nlink; /* number of links to file */
__uint16_t di_projid; /* owner's project id */
__uint8_t di_pad[8]; /* unused, zeroed space */
__uint16_t di_projid_lo; /* lower part of owner's project id */
__uint16_t di_projid_hi; /* higher part of owner's project id */
__uint8_t di_pad[6]; /* unused, zeroed space */
__uint16_t di_flushiter; /* incremented on flush */
xfs_ictimestamp_t di_atime; /* time last accessed */
xfs_ictimestamp_t di_mtime; /* time last modified */
@ -333,6 +334,25 @@ xfs_iflags_test_and_clear(xfs_inode_t *ip, unsigned short flags)
return ret;
}
/*
* Project quota id helpers (previously projid was 16bit only
* and using two 16bit values to hold new 32bit projid was choosen
* to retain compatibility with "old" filesystems).
*/
static inline prid_t
xfs_get_projid(struct xfs_inode *ip)
{
return (prid_t)ip->i_d.di_projid_hi << 16 | ip->i_d.di_projid_lo;
}
static inline void
xfs_set_projid(struct xfs_inode *ip,
prid_t projid)
{
ip->i_d.di_projid_hi = (__uint16_t) (projid >> 16);
ip->i_d.di_projid_lo = (__uint16_t) (projid & 0xffff);
}
/*
* Manage the i_flush queue embedded in the inode. This completion
* queue synchronizes processes attempting to flush the in-core
@ -455,7 +475,7 @@ void xfs_inode_free(struct xfs_inode *ip);
* xfs_inode.c prototypes.
*/
int xfs_ialloc(struct xfs_trans *, xfs_inode_t *, mode_t,
xfs_nlink_t, xfs_dev_t, xfs_prid_t, int,
xfs_nlink_t, xfs_dev_t, prid_t, int,
struct xfs_buf **, boolean_t *, xfs_inode_t **);
uint xfs_ip2xflags(struct xfs_inode *);

3
fs/xfs/xfs_itable.c
View file

@ -92,7 +92,8 @@ xfs_bulkstat_one_int(
* further change.
*/
buf->bs_nlink = dic->di_nlink;
buf->bs_projid = dic->di_projid;
buf->bs_projid_lo = dic->di_projid_lo;
buf->bs_projid_hi = dic->di_projid_hi;
buf->bs_ino = ino;
buf->bs_mode = dic->di_mode;
buf->bs_uid = dic->di_uid;

2
fs/xfs/xfs_rename.c
View file

@ -183,7 +183,7 @@ xfs_rename(
* tree quota mechanism would be circumvented.
*/
if (unlikely((target_dp->i_d.di_flags & XFS_DIFLAG_PROJINHERIT) &&
(target_dp->i_d.di_projid != src_ip->i_d.di_projid))) {
(xfs_get_projid(target_dp) != xfs_get_projid(src_ip)))) {
error = XFS_ERROR(EXDEV);
goto error_return;
}

10
fs/xfs/xfs_sb.h
View file

@ -80,10 +80,12 @@ struct xfs_mount;
#define XFS_SB_VERSION2_RESERVED4BIT 0x00000004
#define XFS_SB_VERSION2_ATTR2BIT 0x00000008 /* Inline attr rework */
#define XFS_SB_VERSION2_PARENTBIT 0x00000010 /* parent pointers */
#define XFS_SB_VERSION2_PROJID32BIT 0x00000080 /* 32 bit project id */
#define XFS_SB_VERSION2_OKREALFBITS \
(XFS_SB_VERSION2_LAZYSBCOUNTBIT | \
XFS_SB_VERSION2_ATTR2BIT)
XFS_SB_VERSION2_ATTR2BIT | \
XFS_SB_VERSION2_PROJID32BIT)
#define XFS_SB_VERSION2_OKSASHFBITS \
(0)
#define XFS_SB_VERSION2_OKREALBITS \
@ -495,6 +497,12 @@ static inline void xfs_sb_version_removeattr2(xfs_sb_t *sbp)
sbp->sb_versionnum &= ~XFS_SB_VERSION_MOREBITSBIT;
}
static inline int xfs_sb_version_hasprojid32bit(xfs_sb_t *sbp)
{
return xfs_sb_version_hasmorebits(sbp) &&
(sbp->sb_features2 & XFS_SB_VERSION2_PROJID32BIT);
}
/*
* end of superblock version macros
*/

2
fs/xfs/xfs_types.h
View file

@ -73,8 +73,6 @@ typedef __int32_t xfs_tid_t; /* transaction identifier */
typedef __uint32_t xfs_dablk_t; /* dir/attr block number (in file) */
typedef __uint32_t xfs_dahash_t; /* dir/attr hash value */
typedef __uint16_t xfs_prid_t; /* prid_t truncated to 16bits in XFS */
typedef __uint32_t xlog_tid_t; /* transaction ID type */
/*

16
fs/xfs/xfs_vnodeops.c
View file

@ -114,7 +114,7 @@ xfs_setattr(
*/
ASSERT(udqp == NULL);
ASSERT(gdqp == NULL);
code = xfs_qm_vop_dqalloc(ip, uid, gid, ip->i_d.di_projid,
code = xfs_qm_vop_dqalloc(ip, uid, gid, xfs_get_projid(ip),
qflags, &udqp, &gdqp);
if (code)
return code;
@ -1268,7 +1268,7 @@ xfs_create(
boolean_t unlock_dp_on_error = B_FALSE;
uint cancel_flags;
int committed;
xfs_prid_t prid;
prid_t prid;
struct xfs_dquot *udqp = NULL;
struct xfs_dquot *gdqp = NULL;
uint resblks;
@ -1281,9 +1281,9 @@ xfs_create(
return XFS_ERROR(EIO);
if (dp->i_d.di_flags & XFS_DIFLAG_PROJINHERIT)
prid = dp->i_d.di_projid;
prid = xfs_get_projid(dp);
else
prid = dfltprid;
prid = XFS_PROJID_DEFAULT;
/*
* Make sure that we have allocated dquot(s) on disk.
@ -1882,7 +1882,7 @@ xfs_link(
* the tree quota mechanism could be circumvented.
*/
if (unlikely((tdp->i_d.di_flags & XFS_DIFLAG_PROJINHERIT) &&
(tdp->i_d.di_projid != sip->i_d.di_projid))) {
(xfs_get_projid(tdp) != xfs_get_projid(sip)))) {
error = XFS_ERROR(EXDEV);
goto error_return;
}
@ -1956,7 +1956,7 @@ xfs_symlink(
int byte_cnt;
int n;
xfs_buf_t *bp;
xfs_prid_t prid;
prid_t prid;
struct xfs_dquot *udqp, *gdqp;
uint resblks;
@ -1979,9 +1979,9 @@ xfs_symlink(
udqp = gdqp = NULL;
if (dp->i_d.di_flags & XFS_DIFLAG_PROJINHERIT)
prid = dp->i_d.di_projid;
prid = xfs_get_projid(dp);
else
prid = (xfs_prid_t)dfltprid;
prid = XFS_PROJID_DEFAULT;
/*
* Make sure that we have allocated dquot(s) on disk.