ip->i_delayed_blks -= del->br_blockcount;
}
+static int
+xfs_bmap_free_rtblocks(
+ struct xfs_trans *tp,
+ struct xfs_bmbt_irec *del)
+{
+ struct xfs_rtgroup *rtg;
+ int error;
+
+ rtg = xfs_rtgroup_grab(tp->t_mountp, 0);
+ if (!rtg)
+ return -EIO;
+
+ /*
+ * Ensure the bitmap and summary inodes are locked and joined to the
+ * transaction before modifying them.
+ */
+ if (!(tp->t_flags & XFS_TRANS_RTBITMAP_LOCKED)) {
+ tp->t_flags |= XFS_TRANS_RTBITMAP_LOCKED;
+ xfs_rtgroup_lock(rtg, XFS_RTGLOCK_BITMAP);
+ xfs_rtgroup_trans_join(tp, rtg, XFS_RTGLOCK_BITMAP);
+ }
+
+ error = xfs_rtfree_blocks(tp, rtg, del->br_startblock,
+ del->br_blockcount);
+ xfs_rtgroup_rele(rtg);
+ return error;
+}
+
/*
* Called by xfs_bmapi to update file extent records and the btree
* after removing space.
if (xfs_is_reflink_inode(ip) && whichfork == XFS_DATA_FORK) {
xfs_refcount_decrease_extent(tp, del);
} else if (xfs_ifork_is_realtime(ip, whichfork)) {
- /*
- * Ensure the bitmap and summary inodes are locked
- * and joined to the transaction before modifying them.
- */
- if (!(tp->t_flags & XFS_TRANS_RTBITMAP_LOCKED)) {
- tp->t_flags |= XFS_TRANS_RTBITMAP_LOCKED;
- xfs_rtbitmap_lock(mp);
- xfs_rtbitmap_trans_join(tp);
- }
- error = xfs_rtfree_blocks(tp, del->br_startblock,
- del->br_blockcount);
+ error = xfs_bmap_free_rtblocks(tp, del);
} else {
unsigned int efi_flags = 0;
if (issum) {
cbpp = &args->sumbp;
coffp = &args->sumoff;
- ip = mp->m_rsumip;
+ ip = args->rtg->rtg_inodes[XFS_RTG_SUMMARY];
type = XFS_BLFT_RTSUMMARY_BUF;
} else {
cbpp = &args->rbmbp;
coffp = &args->rbmoff;
- ip = mp->m_rbmip;
+ ip = args->rtg->rtg_inodes[XFS_RTG_BITMAP];
type = XFS_BLFT_RTBITMAP_BUF;
}
{
struct xfs_mount *mp = args->mp;
xfs_rtsumoff_t so = xfs_rtsumoffs(mp, log, bbno);
+ uint8_t *rsum_cache = args->rtg->rtg_rsum_cache;
unsigned int infoword;
xfs_suminfo_t val;
int error;
infoword = xfs_rtsumoffs_to_infoword(mp, so);
val = xfs_suminfo_add(args, infoword, delta);
- if (mp->m_rsum_cache) {
- if (val == 0 && log + 1 == mp->m_rsum_cache[bbno])
- mp->m_rsum_cache[bbno] = log;
- if (val != 0 && log >= mp->m_rsum_cache[bbno])
- mp->m_rsum_cache[bbno] = log + 1;
+ if (rsum_cache) {
+ if (val == 0 && log + 1 == rsum_cache[bbno])
+ rsum_cache[bbno] = log;
+ if (val != 0 && log >= rsum_cache[bbno])
+ rsum_cache[bbno] = log + 1;
}
xfs_trans_log_rtsummary(args, infoword);
/*
* Find the next allocated block (end of allocated extent).
*/
- error = xfs_rtfind_forw(args, end, mp->m_sb.sb_rextents - 1,
+ error = xfs_rtfind_forw(args, end, args->rtg->rtg_extents - 1,
&postblock);
if (error)
return error;
int
xfs_rtfree_extent(
struct xfs_trans *tp, /* transaction pointer */
+ struct xfs_rtgroup *rtg,
xfs_rtxnum_t start, /* starting rtext number to free */
xfs_rtxlen_t len) /* length of extent freed */
{
struct xfs_mount *mp = tp->t_mountp;
+ struct xfs_inode *rbmip = rtg->rtg_inodes[XFS_RTG_BITMAP];
struct xfs_rtalloc_args args = {
.mp = mp,
.tp = tp,
+ .rtg = rtg,
};
int error;
struct timespec64 atime;
- ASSERT(mp->m_rbmip->i_itemp != NULL);
- xfs_assert_ilocked(mp->m_rbmip, XFS_ILOCK_EXCL);
+ ASSERT(rbmip->i_itemp != NULL);
+ xfs_assert_ilocked(rbmip, XFS_ILOCK_EXCL);
error = xfs_rtcheck_alloc_range(&args, start, len);
if (error)
*/
if (tp->t_frextents_delta + mp->m_sb.sb_frextents ==
mp->m_sb.sb_rextents) {
- if (!(mp->m_rbmip->i_diflags & XFS_DIFLAG_NEWRTBM))
- mp->m_rbmip->i_diflags |= XFS_DIFLAG_NEWRTBM;
+ if (!(rbmip->i_diflags & XFS_DIFLAG_NEWRTBM))
+ rbmip->i_diflags |= XFS_DIFLAG_NEWRTBM;
- atime = inode_get_atime(VFS_I(mp->m_rbmip));
+ atime = inode_get_atime(VFS_I(rbmip));
atime.tv_sec = 0;
- inode_set_atime_to_ts(VFS_I(mp->m_rbmip), atime);
- xfs_trans_log_inode(tp, mp->m_rbmip, XFS_ILOG_CORE);
+ inode_set_atime_to_ts(VFS_I(rbmip), atime);
+ xfs_trans_log_inode(tp, rbmip, XFS_ILOG_CORE);
}
error = 0;
out:
int
xfs_rtfree_blocks(
struct xfs_trans *tp,
+ struct xfs_rtgroup *rtg,
xfs_fsblock_t rtbno,
xfs_filblks_t rtlen)
{
return -EIO;
}
- return xfs_rtfree_extent(tp, xfs_rtb_to_rtx(mp, rtbno),
- xfs_rtb_to_rtx(mp, rtlen));
+ return xfs_rtfree_extent(tp, rtg, xfs_rtb_to_rtx(mp, rtbno),
+ xfs_extlen_to_rtxlen(mp, rtlen));
}
/* Find all the free records within a given range. */
int
xfs_rtalloc_query_range(
- struct xfs_mount *mp,
+ struct xfs_rtgroup *rtg,
struct xfs_trans *tp,
xfs_rtxnum_t start,
xfs_rtxnum_t end,
xfs_rtalloc_query_range_fn fn,
void *priv)
{
+ struct xfs_mount *mp = rtg->rtg_mount;
struct xfs_rtalloc_args args = {
+ .rtg = rtg,
.mp = mp,
.tp = tp,
};
if (start > end)
return -EINVAL;
- if (start == end || start >= mp->m_sb.sb_rextents)
+ if (start == end || start >= rtg->rtg_extents)
return 0;
- end = min(end, mp->m_sb.sb_rextents - 1);
+ end = min(end, rtg->rtg_extents - 1);
/* Iterate the bitmap, looking for discrepancies. */
while (start <= end) {
rec.ar_startext = start;
rec.ar_extcount = rtend - start + 1;
- error = fn(mp, tp, &rec, priv);
+ error = fn(rtg, tp, &rec, priv);
if (error)
break;
}
/* Find all the free records. */
int
xfs_rtalloc_query_all(
- struct xfs_mount *mp,
+ struct xfs_rtgroup *rtg,
struct xfs_trans *tp,
xfs_rtalloc_query_range_fn fn,
void *priv)
{
- return xfs_rtalloc_query_range(mp, tp, 0, mp->m_sb.sb_rextents - 1, fn,
+ return xfs_rtalloc_query_range(rtg, tp, 0, rtg->rtg_extents - 1, fn,
priv);
}
/* Is the given extent all free? */
int
xfs_rtalloc_extent_is_free(
- struct xfs_mount *mp,
+ struct xfs_rtgroup *rtg,
struct xfs_trans *tp,
xfs_rtxnum_t start,
xfs_rtxlen_t len,
bool *is_free)
{
struct xfs_rtalloc_args args = {
- .mp = mp,
+ .mp = rtg->rtg_mount,
+ .rtg = rtg,
.tp = tp,
};
xfs_rtxnum_t end;
return XFS_B_TO_FSB(mp, rsumwords << XFS_WORDLOG);
}
-/* Lock both realtime free space metadata inodes for a freespace update. */
-void
-xfs_rtbitmap_lock(
- struct xfs_mount *mp)
-{
- xfs_ilock(mp->m_rbmip, XFS_ILOCK_EXCL | XFS_ILOCK_RTBITMAP);
- xfs_ilock(mp->m_rsumip, XFS_ILOCK_EXCL | XFS_ILOCK_RTSUM);
-}
-
-/*
- * Join both realtime free space metadata inodes to the transaction. The
- * ILOCKs will be released on transaction commit.
- */
-void
-xfs_rtbitmap_trans_join(
- struct xfs_trans *tp)
-{
- xfs_trans_ijoin(tp, tp->t_mountp->m_rbmip, XFS_ILOCK_EXCL);
- xfs_trans_ijoin(tp, tp->t_mountp->m_rsumip, XFS_ILOCK_EXCL);
-}
-
-/* Unlock both realtime free space metadata inodes after a freespace update. */
-void
-xfs_rtbitmap_unlock(
- struct xfs_mount *mp)
-{
- xfs_iunlock(mp->m_rsumip, XFS_ILOCK_EXCL | XFS_ILOCK_RTSUM);
- xfs_iunlock(mp->m_rbmip, XFS_ILOCK_EXCL | XFS_ILOCK_RTBITMAP);
-}
-
-/*
- * Lock the realtime free space metadata inodes for a freespace scan. Callers
- * must walk metadata blocks in order of increasing file offset.
- */
-void
-xfs_rtbitmap_lock_shared(
- struct xfs_mount *mp,
- unsigned int rbmlock_flags)
-{
- if (rbmlock_flags & XFS_RBMLOCK_BITMAP)
- xfs_ilock(mp->m_rbmip, XFS_ILOCK_SHARED | XFS_ILOCK_RTBITMAP);
-
- if (rbmlock_flags & XFS_RBMLOCK_SUMMARY)
- xfs_ilock(mp->m_rsumip, XFS_ILOCK_SHARED | XFS_ILOCK_RTSUM);
-}
-
-/* Unlock the realtime free space metadata inodes after a freespace scan. */
-void
-xfs_rtbitmap_unlock_shared(
- struct xfs_mount *mp,
- unsigned int rbmlock_flags)
-{
- if (rbmlock_flags & XFS_RBMLOCK_SUMMARY)
- xfs_iunlock(mp->m_rsumip, XFS_ILOCK_SHARED | XFS_ILOCK_RTSUM);
-
- if (rbmlock_flags & XFS_RBMLOCK_BITMAP)
- xfs_iunlock(mp->m_rbmip, XFS_ILOCK_SHARED | XFS_ILOCK_RTBITMAP);
-}
-
static int
xfs_rtfile_alloc_blocks(
struct xfs_inode *ip,
/* Get a buffer for the block. */
static int
xfs_rtfile_initialize_block(
- struct xfs_inode *ip,
+ struct xfs_rtgroup *rtg,
+ enum xfs_rtg_inodes type,
xfs_fsblock_t fsbno,
void *data)
{
- struct xfs_mount *mp = ip->i_mount;
+ struct xfs_mount *mp = rtg->rtg_mount;
+ struct xfs_inode *ip = rtg->rtg_inodes[type];
struct xfs_trans *tp;
struct xfs_buf *bp;
const size_t copylen = mp->m_blockwsize << XFS_WORDLOG;
enum xfs_blft buf_type;
int error;
- if (ip == mp->m_rsumip)
+ if (type == XFS_RTG_BITMAP)
+ buf_type = XFS_BLFT_RTBITMAP_BUF;
+ else if (type == XFS_RTG_SUMMARY)
buf_type = XFS_BLFT_RTSUMMARY_BUF;
else
- buf_type = XFS_BLFT_RTBITMAP_BUF;
+ return -EINVAL;
error = xfs_trans_alloc(mp, &M_RES(mp)->tr_growrtzero, 0, 0, 0, &tp);
if (error)
*/
int
xfs_rtfile_initialize_blocks(
- struct xfs_inode *ip, /* inode (bitmap/summary) */
+ struct xfs_rtgroup *rtg,
+ enum xfs_rtg_inodes type,
xfs_fileoff_t offset_fsb, /* offѕet to start from */
xfs_fileoff_t end_fsb, /* offѕet to allocate to */
void *data) /* data to fill the blocks */
{
- struct xfs_mount *mp = ip->i_mount;
+ struct xfs_mount *mp = rtg->rtg_mount;
const size_t copylen = mp->m_blockwsize << XFS_WORDLOG;
while (offset_fsb < end_fsb) {
xfs_filblks_t i;
int error;
- error = xfs_rtfile_alloc_blocks(ip, offset_fsb,
- end_fsb - offset_fsb, &map);
+ error = xfs_rtfile_alloc_blocks(rtg->rtg_inodes[type],
+ offset_fsb, end_fsb - offset_fsb, &map);
if (error)
return error;
* Do this one block per transaction, to keep it simple.
*/
for (i = 0; i < map.br_blockcount; i++) {
- error = xfs_rtfile_initialize_block(ip,
+ error = xfs_rtfile_initialize_block(rtg, type,
map.br_startblock + i, data);
if (error)
return error;
return 0;
}
+
+int
+xfs_rtbitmap_create(
+ struct xfs_rtgroup *rtg,
+ struct xfs_inode *ip,
+ struct xfs_trans *tp,
+ bool init)
+{
+ struct xfs_mount *mp = rtg->rtg_mount;
+
+ ip->i_disk_size = mp->m_sb.sb_rbmblocks * mp->m_sb.sb_blocksize;
+ if (init && !xfs_has_rtgroups(mp)) {
+ ip->i_diflags |= XFS_DIFLAG_NEWRTBM;
+ inode_set_atime(VFS_I(ip), 0, 0);
+ }
+ xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
+ return 0;
+}
+
+int
+xfs_rtsummary_create(
+ struct xfs_rtgroup *rtg,
+ struct xfs_inode *ip,
+ struct xfs_trans *tp,
+ bool init)
+{
+ struct xfs_mount *mp = rtg->rtg_mount;
+
+ ip->i_disk_size = mp->m_rsumblocks * mp->m_sb.sb_blocksize;
+ xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
+ return 0;
+}
#ifndef __XFS_RTBITMAP_H__
#define __XFS_RTBITMAP_H__
+#include "xfs_rtgroup.h"
+
struct xfs_rtalloc_args {
+ struct xfs_rtgroup *rtg;
struct xfs_mount *mp;
struct xfs_trans *tp;
};
typedef int (*xfs_rtalloc_query_range_fn)(
- struct xfs_mount *mp,
+ struct xfs_rtgroup *rtg,
struct xfs_trans *tp,
const struct xfs_rtalloc_rec *rec,
void *priv);
xfs_fileoff_t bbno, int delta);
int xfs_rtfree_range(struct xfs_rtalloc_args *args, xfs_rtxnum_t start,
xfs_rtxlen_t len);
-int xfs_rtalloc_query_range(struct xfs_mount *mp, struct xfs_trans *tp,
+int xfs_rtalloc_query_range(struct xfs_rtgroup *rtg, struct xfs_trans *tp,
xfs_rtxnum_t start, xfs_rtxnum_t end,
xfs_rtalloc_query_range_fn fn, void *priv);
-int xfs_rtalloc_query_all(struct xfs_mount *mp, struct xfs_trans *tp,
- xfs_rtalloc_query_range_fn fn,
- void *priv);
-int xfs_rtalloc_extent_is_free(struct xfs_mount *mp, struct xfs_trans *tp,
- xfs_rtxnum_t start, xfs_rtxlen_t len,
- bool *is_free);
-/*
- * Free an extent in the realtime subvolume. Length is expressed in
- * realtime extents, as is the block number.
- */
-int /* error */
-xfs_rtfree_extent(
- struct xfs_trans *tp, /* transaction pointer */
- xfs_rtxnum_t start, /* starting rtext number to free */
- xfs_rtxlen_t len); /* length of extent freed */
-
+int xfs_rtalloc_query_all(struct xfs_rtgroup *rtg, struct xfs_trans *tp,
+ xfs_rtalloc_query_range_fn fn, void *priv);
+int xfs_rtalloc_extent_is_free(struct xfs_rtgroup *rtg, struct xfs_trans *tp,
+ xfs_rtxnum_t start, xfs_rtxlen_t len, bool *is_free);
+int xfs_rtfree_extent(struct xfs_trans *tp, struct xfs_rtgroup *rtg,
+ xfs_rtxnum_t start, xfs_rtxlen_t len);
/* Same as above, but in units of rt blocks. */
-int xfs_rtfree_blocks(struct xfs_trans *tp, xfs_fsblock_t rtbno,
- xfs_filblks_t rtlen);
+int xfs_rtfree_blocks(struct xfs_trans *tp, struct xfs_rtgroup *rtg,
+ xfs_fsblock_t rtbno, xfs_filblks_t rtlen);
xfs_filblks_t xfs_rtbitmap_blockcount(struct xfs_mount *mp, xfs_rtbxlen_t
rtextents);
xfs_filblks_t xfs_rtsummary_blockcount(struct xfs_mount *mp,
unsigned int rsumlevels, xfs_extlen_t rbmblocks);
-int xfs_rtfile_initialize_blocks(struct xfs_inode *ip,
- xfs_fileoff_t offset_fsb, xfs_fileoff_t end_fsb, void *data);
+int xfs_rtfile_initialize_blocks(struct xfs_rtgroup *rtg,
+ enum xfs_rtg_inodes type, xfs_fileoff_t offset_fsb,
+ xfs_fileoff_t end_fsb, void *data);
+int xfs_rtbitmap_create(struct xfs_rtgroup *rtg, struct xfs_inode *ip,
+ struct xfs_trans *tp, bool init);
+int xfs_rtsummary_create(struct xfs_rtgroup *rtg, struct xfs_inode *ip,
+ struct xfs_trans *tp, bool init);
-void xfs_rtbitmap_lock(struct xfs_mount *mp);
-void xfs_rtbitmap_unlock(struct xfs_mount *mp);
-void xfs_rtbitmap_trans_join(struct xfs_trans *tp);
-
-/* Lock the rt bitmap inode in shared mode */
-#define XFS_RBMLOCK_BITMAP (1U << 0)
-/* Lock the rt summary inode in shared mode */
-#define XFS_RBMLOCK_SUMMARY (1U << 1)
-
-void xfs_rtbitmap_lock_shared(struct xfs_mount *mp,
- unsigned int rbmlock_flags);
-void xfs_rtbitmap_unlock_shared(struct xfs_mount *mp,
- unsigned int rbmlock_flags);
#else /* CONFIG_XFS_RT */
# define xfs_rtfree_extent(t,b,l) (-ENOSYS)
-# define xfs_rtfree_blocks(t,rb,rl) (-ENOSYS)
+
+static inline int xfs_rtfree_blocks(struct xfs_trans *tp,
+ struct xfs_rtgroup *rtg, xfs_fsblock_t rtbno,
+ xfs_filblks_t rtlen)
+{
+ return -ENOSYS;
+}
# define xfs_rtalloc_query_range(m,t,l,h,f,p) (-ENOSYS)
# define xfs_rtalloc_query_all(m,t,f,p) (-ENOSYS)
# define xfs_rtbitmap_read_buf(a,b) (-ENOSYS)
return 0;
}
# define xfs_rtsummary_blockcount(mp, l, b) (0)
-# define xfs_rtbitmap_lock(mp) do { } while (0)
-# define xfs_rtbitmap_trans_join(tp) do { } while (0)
-# define xfs_rtbitmap_unlock(mp) do { } while (0)
-# define xfs_rtbitmap_lock_shared(mp, lf) do { } while (0)
-# define xfs_rtbitmap_unlock_shared(mp, lf) do { } while (0)
#endif /* CONFIG_XFS_RT */
#endif /* __XFS_RTBITMAP_H__ */
ASSERT(!(rtglock_flags & XFS_RTGLOCK_BITMAP_SHARED) ||
!(rtglock_flags & XFS_RTGLOCK_BITMAP));
- if (rtglock_flags & XFS_RTGLOCK_BITMAP)
- xfs_rtbitmap_lock(rtg->rtg_mount);
- else if (rtglock_flags & XFS_RTGLOCK_BITMAP_SHARED)
- xfs_rtbitmap_lock_shared(rtg->rtg_mount, XFS_RBMLOCK_BITMAP);
+ if (rtglock_flags & XFS_RTGLOCK_BITMAP) {
+ /*
+ * Lock both realtime free space metadata inodes for a freespace
+ * update.
+ */
+ xfs_ilock(rtg->rtg_inodes[XFS_RTG_BITMAP], XFS_ILOCK_EXCL);
+ xfs_ilock(rtg->rtg_inodes[XFS_RTG_SUMMARY], XFS_ILOCK_EXCL);
+ } else if (rtglock_flags & XFS_RTGLOCK_BITMAP_SHARED) {
+ xfs_ilock(rtg->rtg_inodes[XFS_RTG_BITMAP], XFS_ILOCK_SHARED);
+ }
}
/* Unlock metadata inodes associated with this rt group. */
ASSERT(!(rtglock_flags & XFS_RTGLOCK_BITMAP_SHARED) ||
!(rtglock_flags & XFS_RTGLOCK_BITMAP));
- if (rtglock_flags & XFS_RTGLOCK_BITMAP)
- xfs_rtbitmap_unlock(rtg->rtg_mount);
- else if (rtglock_flags & XFS_RTGLOCK_BITMAP_SHARED)
- xfs_rtbitmap_unlock_shared(rtg->rtg_mount, XFS_RBMLOCK_BITMAP);
+ if (rtglock_flags & XFS_RTGLOCK_BITMAP) {
+ xfs_iunlock(rtg->rtg_inodes[XFS_RTG_SUMMARY], XFS_ILOCK_EXCL);
+ xfs_iunlock(rtg->rtg_inodes[XFS_RTG_BITMAP], XFS_ILOCK_EXCL);
+ } else if (rtglock_flags & XFS_RTGLOCK_BITMAP_SHARED) {
+ xfs_iunlock(rtg->rtg_inodes[XFS_RTG_BITMAP], XFS_ILOCK_SHARED);
+ }
}
/*
ASSERT(!(rtglock_flags & ~XFS_RTGLOCK_ALL_FLAGS));
ASSERT(!(rtglock_flags & XFS_RTGLOCK_BITMAP_SHARED));
- if (rtglock_flags & XFS_RTGLOCK_BITMAP)
- xfs_rtbitmap_trans_join(tp);
+ if (rtglock_flags & XFS_RTGLOCK_BITMAP) {
+ xfs_trans_ijoin(tp, rtg->rtg_inodes[XFS_RTG_BITMAP],
+ XFS_ILOCK_EXCL);
+ xfs_trans_ijoin(tp, rtg->rtg_inodes[XFS_RTG_SUMMARY],
+ XFS_ILOCK_EXCL);
+ }
}
#ifdef CONFIG_PROVE_LOCKING
};
static const struct xfs_rtginode_ops xfs_rtginode_ops[XFS_RTG_MAX] = {
+ [XFS_RTG_BITMAP] = {
+ .name = "bitmap",
+ .create = xfs_rtbitmap_create,
+ },
+ [XFS_RTG_SUMMARY] = {
+ .name = "summary",
+ .create = xfs_rtsummary_create,
+ },
};
/* Return the shortname of this rtgroup inode. */
struct xfs_trans *tp)
{
struct xfs_mount *mp = tp->t_mountp;
- const char *path;
struct xfs_inode *ip;
int error;
if (!xfs_rtginode_enabled(rtg, type))
return 0;
- path = xfs_rtginode_path(rtg->rtg_rgno, type);
- if (!path)
- return -ENOMEM;
- error = xfs_metadir_load(tp, mp->m_rtdirip, path, S_IFREG, &ip);
- kfree(path);
+ if (!xfs_has_rtgroups(mp)) {
+ xfs_ino_t ino;
+
+ switch (type) {
+ case XFS_RTG_BITMAP:
+ ino = mp->m_sb.sb_rbmino;
+ break;
+ case XFS_RTG_SUMMARY:
+ ino = mp->m_sb.sb_rsumino;
+ break;
+ default:
+ return 0;
+ }
+
+ error = xfs_metafile_iget(tp, ino, S_IFREG, &ip);
+ } else {
+ const char *path;
+
+ path = xfs_rtginode_path(rtg->rtg_rgno, type);
+ if (!path)
+ return -ENOMEM;
+ error = xfs_metadir_load(tp, mp->m_rtdirip, path, S_IFREG, &ip);
+ kfree(path);
+ }
if (error)
return error;
struct xfs_trans;
enum xfs_rtg_inodes {
+ XFS_RTG_BITMAP, /* allocation bitmap */
+ XFS_RTG_SUMMARY, /* allocation summary */
+
XFS_RTG_MAX,
};
wait_queue_head_t rtg_active_wq;/* woken active_ref falls to zero */
/* per-rtgroup metadata inodes */
- struct xfs_inode *rtg_inodes[1 /* hack */];
+ struct xfs_inode *rtg_inodes[XFS_RTG_MAX];
/* Number of blocks in this group */
xfs_rtxnum_t rtg_extents;
+ /*
+ * Optional cache of rt summary level per bitmap block with the
+ * invariant that rtg_rsum_cache[bbno] > the maximum i for which
+ * rsum[i][bbno] != 0, or 0 if rsum[i][bbno] == 0 for all i.
+ * Reads and writes are serialized by the rsumip inode lock.
+ */
+ uint8_t *rtg_rsum_cache;
+
#ifdef __KERNEL__
/* -- kernel only structures below this line -- */
spinlock_t rtg_state_lock;
projects / users / hch / xfsprogs.git / commitdiff