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authorJosef Bacik <josef@toxicpanda.com>2022-10-19 17:50:51 +0300
committerDavid Sterba <dsterba@suse.com>2022-12-05 20:00:42 +0300
commitec8eb376e271ed2b8724bf488f4c74d2746d5446 (patch)
treed5336378b7706a7695d050571b0972afbf4813d0 /fs/btrfs/fs.h
parentbbde07a40a13cc5a3483eaeb52e9bb3b61d2cf57 (diff)
downloadlinux-ec8eb376e271ed2b8724bf488f4c74d2746d5446.tar.xz
btrfs: move BTRFS_FS_STATE* definitions and helpers to fs.h
We're going to use fs.h to hold fs wide related helpers and definitions, move the FS_STATE enum and related helpers to fs.h, and then update all files that need these definitions to include fs.h. Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Reviewed-by: Anand Jain <anand.jain@oracle.com> Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/fs.h')
-rw-r--r--fs/btrfs/fs.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/fs/btrfs/fs.h b/fs/btrfs/fs.h
index 8eda9ce0a904..25487af14717 100644
--- a/fs/btrfs/fs.h
+++ b/fs/btrfs/fs.h
@@ -3,6 +3,37 @@
#ifndef BTRFS_FS_H
#define BTRFS_FS_H
+/*
+ * Runtime (in-memory) states of filesystem
+ */
+enum {
+ /* Global indicator of serious filesystem errors */
+ BTRFS_FS_STATE_ERROR,
+ /*
+ * Filesystem is being remounted, allow to skip some operations, like
+ * defrag
+ */
+ BTRFS_FS_STATE_REMOUNTING,
+ /* Filesystem in RO mode */
+ BTRFS_FS_STATE_RO,
+ /* Track if a transaction abort has been reported on this filesystem */
+ BTRFS_FS_STATE_TRANS_ABORTED,
+ /*
+ * Bio operations should be blocked on this filesystem because a source
+ * or target device is being destroyed as part of a device replace
+ */
+ BTRFS_FS_STATE_DEV_REPLACING,
+ /* The btrfs_fs_info created for self-tests */
+ BTRFS_FS_STATE_DUMMY_FS_INFO,
+
+ BTRFS_FS_STATE_NO_CSUMS,
+
+ /* Indicates there was an error cleaning up a log tree. */
+ BTRFS_FS_STATE_LOG_CLEANUP_ERROR,
+
+ BTRFS_FS_STATE_COUNT
+};
+
/* Compatibility and incompatibility defines */
void __btrfs_set_fs_incompat(struct btrfs_fs_info *fs_info, u64 flag,
const char *name);
@@ -82,4 +113,22 @@ static inline void btrfs_clear_sb_rdonly(struct super_block *sb)
clear_bit(BTRFS_FS_STATE_RO, &btrfs_sb(sb)->fs_state);
}
+#define BTRFS_FS_ERROR(fs_info) (unlikely(test_bit(BTRFS_FS_STATE_ERROR, \
+ &(fs_info)->fs_state)))
+#define BTRFS_FS_LOG_CLEANUP_ERROR(fs_info) \
+ (unlikely(test_bit(BTRFS_FS_STATE_LOG_CLEANUP_ERROR, \
+ &(fs_info)->fs_state)))
+
+#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
+static inline int btrfs_is_testing(struct btrfs_fs_info *fs_info)
+{
+ return test_bit(BTRFS_FS_STATE_DUMMY_FS_INFO, &fs_info->fs_state);
+}
+#else
+static inline int btrfs_is_testing(struct btrfs_fs_info *fs_info)
+{
+ return 0;
+}
+#endif
+
#endif