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authorDarrick J. Wong <darrick.wong@oracle.com>2019-04-12 07:40:25 -0700
committerDarrick J. Wong <darrick.wong@oracle.com>2019-04-14 18:15:57 -0700
commit6772c1f11206f270af56d62bc26737864a63608a (patch)
treed75689f19c91e54fb2de867cbaaa89beccc46f63 /fs/xfs/xfs_mount.h
parent2bf9d264efededefa8a339e31995a90df13e5fbe (diff)
xfs: track metadata health status
Add the necessary in-core metadata fields to keep track of which parts of the filesystem have been observed and which parts were observed to be unhealthy, and print a warning at unmount time if we have unfixed problems. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com>
Diffstat (limited to 'fs/xfs/xfs_mount.h')
-rw-r--r--fs/xfs/xfs_mount.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index 110f927cf943..cf7facc36a5f 100644
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -60,6 +60,20 @@ struct xfs_error_cfg {
typedef struct xfs_mount {
struct super_block *m_super;
xfs_tid_t m_tid; /* next unused tid for fs */
+
+ /*
+ * Bitsets of per-fs metadata that have been checked and/or are sick.
+ * Callers must hold m_sb_lock to access these two fields.
+ */
+ uint8_t m_fs_checked;
+ uint8_t m_fs_sick;
+ /*
+ * Bitsets of rt metadata that have been checked and/or are sick.
+ * Callers must hold m_sb_lock to access this field.
+ */
+ uint8_t m_rt_checked;
+ uint8_t m_rt_sick;
+
struct xfs_ail *m_ail; /* fs active log item list */
struct xfs_sb m_sb; /* copy of fs superblock */
@@ -369,6 +383,15 @@ typedef struct xfs_perag {
xfs_agino_t pagl_pagino;
xfs_agino_t pagl_leftrec;
xfs_agino_t pagl_rightrec;
+
+ /*
+ * Bitsets of per-ag metadata that have been checked and/or are sick.
+ * Callers should hold pag_state_lock before accessing this field.
+ */
+ uint16_t pag_checked;
+ uint16_t pag_sick;
+ spinlock_t pag_state_lock;
+
spinlock_t pagb_lock; /* lock for pagb_tree */
struct rb_root pagb_tree; /* ordered tree of busy extents */
unsigned int pagb_gen; /* generation count for pagb_tree */