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-rw-r--r--fs/xfs/libxfs/xfs_bmap.c7
-rw-r--r--fs/xfs/libxfs/xfs_rtbitmap.c57
-rw-r--r--fs/xfs/libxfs/xfs_rtbitmap.h17
-rw-r--r--fs/xfs/scrub/common.c1
-rw-r--r--fs/xfs/scrub/fscounters.c4
-rw-r--r--fs/xfs/xfs_fsmap.c4
-rw-r--r--fs/xfs/xfs_rtalloc.c20
7 files changed, 87 insertions, 23 deletions
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 59b8b9dc29cc..3e56173a8fe4 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -5418,12 +5418,9 @@ __xfs_bunmapi(
if (isrt) {
/*
- * Synchronize by locking the bitmap inode.
+ * Synchronize by locking the realtime bitmap.
*/
- xfs_ilock(mp->m_rbmip, XFS_ILOCK_EXCL|XFS_ILOCK_RTBITMAP);
- xfs_trans_ijoin(tp, mp->m_rbmip, XFS_ILOCK_EXCL);
- xfs_ilock(mp->m_rsumip, XFS_ILOCK_EXCL|XFS_ILOCK_RTSUM);
- xfs_trans_ijoin(tp, mp->m_rsumip, XFS_ILOCK_EXCL);
+ xfs_rtbitmap_lock(tp, mp);
}
extno = 0;
diff --git a/fs/xfs/libxfs/xfs_rtbitmap.c b/fs/xfs/libxfs/xfs_rtbitmap.c
index f246d6dbf4ec..386b672c5058 100644
--- a/fs/xfs/libxfs/xfs_rtbitmap.c
+++ b/fs/xfs/libxfs/xfs_rtbitmap.c
@@ -1168,3 +1168,60 @@ xfs_rtsummary_wordcount(
blocks = xfs_rtsummary_blockcount(mp, rsumlevels, rbmblocks);
return XFS_FSB_TO_B(mp, blocks) >> XFS_WORDLOG;
}
+
+/*
+ * Lock both realtime free space metadata inodes for a freespace update. If a
+ * transaction is given, the inodes will be joined to the transaction and the
+ * ILOCKs will be released on transaction commit.
+ */
+void
+xfs_rtbitmap_lock(
+ struct xfs_trans *tp,
+ struct xfs_mount *mp)
+{
+ xfs_ilock(mp->m_rbmip, XFS_ILOCK_EXCL | XFS_ILOCK_RTBITMAP);
+ if (tp)
+ xfs_trans_ijoin(tp, mp->m_rbmip, XFS_ILOCK_EXCL);
+
+ xfs_ilock(mp->m_rsumip, XFS_ILOCK_EXCL | XFS_ILOCK_RTSUM);
+ if (tp)
+ xfs_trans_ijoin(tp, mp->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);
+}
diff --git a/fs/xfs/libxfs/xfs_rtbitmap.h b/fs/xfs/libxfs/xfs_rtbitmap.h
index 152a66750af5..6186585f2c37 100644
--- a/fs/xfs/libxfs/xfs_rtbitmap.h
+++ b/fs/xfs/libxfs/xfs_rtbitmap.h
@@ -360,6 +360,19 @@ xfs_filblks_t xfs_rtsummary_blockcount(struct xfs_mount *mp,
unsigned int rsumlevels, xfs_extlen_t rbmblocks);
unsigned long long xfs_rtsummary_wordcount(struct xfs_mount *mp,
unsigned int rsumlevels, xfs_extlen_t rbmblocks);
+
+void xfs_rtbitmap_lock(struct xfs_trans *tp, struct xfs_mount *mp);
+void xfs_rtbitmap_unlock(struct xfs_mount *mp);
+
+/* 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)
@@ -378,6 +391,10 @@ xfs_rtbitmap_blockcount(struct xfs_mount *mp, xfs_rtbxlen_t rtextents)
# define xfs_rtbitmap_wordcount(mp, r) (0)
# define xfs_rtsummary_blockcount(mp, l, b) (0)
# define xfs_rtsummary_wordcount(mp, l, b) (0)
+# define xfs_rtbitmap_lock(tp, mp) 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__ */
diff --git a/fs/xfs/scrub/common.c b/fs/xfs/scrub/common.c
index 48302532d10d..a7d3a2279662 100644
--- a/fs/xfs/scrub/common.c
+++ b/fs/xfs/scrub/common.c
@@ -32,6 +32,7 @@
#include "xfs_error.h"
#include "xfs_quota.h"
#include "xfs_exchmaps.h"
+#include "xfs_rtbitmap.h"
#include "scrub/scrub.h"
#include "scrub/common.h"
#include "scrub/trace.h"
diff --git a/fs/xfs/scrub/fscounters.c b/fs/xfs/scrub/fscounters.c
index da2f6729699d..67ac870052b1 100644
--- a/fs/xfs/scrub/fscounters.c
+++ b/fs/xfs/scrub/fscounters.c
@@ -415,7 +415,7 @@ xchk_fscount_count_frextents(
if (!xfs_has_realtime(mp))
return 0;
- xfs_ilock(sc->mp->m_rbmip, XFS_ILOCK_SHARED | XFS_ILOCK_RTBITMAP);
+ xfs_rtbitmap_lock_shared(sc->mp, XFS_RBMLOCK_BITMAP);
error = xfs_rtalloc_query_all(sc->mp, sc->tp,
xchk_fscount_add_frextent, fsc);
if (error) {
@@ -424,7 +424,7 @@ xchk_fscount_count_frextents(
}
out_unlock:
- xfs_iunlock(sc->mp->m_rbmip, XFS_ILOCK_SHARED | XFS_ILOCK_RTBITMAP);
+ xfs_rtbitmap_unlock_shared(sc->mp, XFS_RBMLOCK_BITMAP);
return error;
}
#else
diff --git a/fs/xfs/xfs_fsmap.c b/fs/xfs/xfs_fsmap.c
index de59eec74765..85dbb46452ca 100644
--- a/fs/xfs/xfs_fsmap.c
+++ b/fs/xfs/xfs_fsmap.c
@@ -533,7 +533,7 @@ xfs_getfsmap_rtdev_rtbitmap(
trace_xfs_fsmap_low_key_linear(mp, info->dev, start_rtb);
trace_xfs_fsmap_high_key_linear(mp, info->dev, end_rtb);
- xfs_ilock(mp->m_rbmip, XFS_ILOCK_SHARED | XFS_ILOCK_RTBITMAP);
+ xfs_rtbitmap_lock_shared(mp, XFS_RBMLOCK_BITMAP);
/*
* Set up query parameters to return free rtextents covering the range
@@ -557,7 +557,7 @@ xfs_getfsmap_rtdev_rtbitmap(
if (error)
goto err;
err:
- xfs_iunlock(mp->m_rbmip, XFS_ILOCK_SHARED | XFS_ILOCK_RTBITMAP);
+ xfs_rtbitmap_unlock_shared(mp, XFS_RBMLOCK_BITMAP);
return error;
}
#endif /* CONFIG_XFS_RT */
diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c
index e66f9bd5de5c..86f928d30fed 100644
--- a/fs/xfs/xfs_rtalloc.c
+++ b/fs/xfs/xfs_rtalloc.c
@@ -957,10 +957,10 @@ xfs_growfs_rt(
nargs.tp = tp;
/*
- * Lock out other callers by grabbing the bitmap inode lock.
+ * Lock out other callers by grabbing the bitmap and summary
+ * inode locks and joining them to the transaction.
*/
- xfs_ilock(mp->m_rbmip, XFS_ILOCK_EXCL | XFS_ILOCK_RTBITMAP);
- xfs_trans_ijoin(tp, mp->m_rbmip, XFS_ILOCK_EXCL);
+ xfs_rtbitmap_lock(tp, mp);
/*
* Update the bitmap inode's size ondisk and incore. We need
* to update the incore size so that inode inactivation won't
@@ -971,11 +971,6 @@ xfs_growfs_rt(
i_size_write(VFS_I(mp->m_rbmip), mp->m_rbmip->i_disk_size);
xfs_trans_log_inode(tp, mp->m_rbmip, XFS_ILOG_CORE);
/*
- * Get the summary inode into the transaction.
- */
- xfs_ilock(mp->m_rsumip, XFS_ILOCK_EXCL | XFS_ILOCK_RTSUM);
- xfs_trans_ijoin(tp, mp->m_rsumip, XFS_ILOCK_EXCL);
- /*
* Update the summary inode's size. We need to update the
* incore size so that inode inactivation won't punch what it
* thinks are "posteof" blocks.
@@ -1142,10 +1137,10 @@ xfs_rtalloc_reinit_frextents(
uint64_t val = 0;
int error;
- xfs_ilock(mp->m_rbmip, XFS_ILOCK_SHARED | XFS_ILOCK_RTBITMAP);
+ xfs_rtbitmap_lock_shared(mp, XFS_RBMLOCK_BITMAP);
error = xfs_rtalloc_query_all(mp, NULL, xfs_rtalloc_count_frextent,
&val);
- xfs_iunlock(mp->m_rbmip, XFS_ILOCK_SHARED | XFS_ILOCK_RTBITMAP);
+ xfs_rtbitmap_unlock_shared(mp, XFS_RBMLOCK_BITMAP);
if (error)
return error;
@@ -1382,10 +1377,7 @@ retry:
* Lock out modifications to both the RT bitmap and summary inodes
*/
if (!rtlocked) {
- xfs_ilock(mp->m_rbmip, XFS_ILOCK_EXCL|XFS_ILOCK_RTBITMAP);
- xfs_trans_ijoin(ap->tp, mp->m_rbmip, XFS_ILOCK_EXCL);
- xfs_ilock(mp->m_rsumip, XFS_ILOCK_EXCL|XFS_ILOCK_RTSUM);
- xfs_trans_ijoin(ap->tp, mp->m_rsumip, XFS_ILOCK_EXCL);
+ xfs_rtbitmap_lock(ap->tp, mp);
rtlocked = true;
}
generated by cgit (git 2.34.1) at 2024-06-29 08:59:59 +0000