author: Johannes Thumshirn <johannes.thumshirn@wdc.com> 2020-09-11 17:56:50 +0900
committer: Damien Le Moal <damien.lemoal@wdc.com> 2020-09-15 18:32:52 +0900
commit: b5c00e975779c3d9e6d530c5481309257d5e4220
parent: 48d546a8dad4c09745d464e12b95f21c773bff39
Commit Summary:
Diffstat:
1 file changed, 8 insertions, 0 deletions
diff --git a/fs/zonefs/zonefs.h b/fs/zonefs/zonefs.h
index 55b39970acb2..51141907097c 100644
--- a/fs/zonefs/zonefs.h
+++ b/fs/zonefs/zonefs.h
@@ -38,6 +38,8 @@ static inline enum zonefs_ztype zonefs_zone_type(struct blk_zone *zone)
return ZONEFS_ZTYPE_SEQ;
}
+#define ZONEFS_ZONE_OPEN (1 << 0)
+
/*
* In-memory inode data.
*/
@@ -74,6 +76,10 @@ struct zonefs_inode_info {
*/
struct mutex i_truncate_mutex;
struct rw_semaphore i_mmap_sem;
+
+ /* guarded by i_truncate_mutex */
+ unsigned int i_wr_refcnt;
+ unsigned int i_flags;
};
static inline struct zonefs_inode_info *ZONEFS_I(struct inode *inode)
@@ -154,6 +160,7 @@ enum zonefs_features {
#define ZONEFS_MNTOPT_ERRORS_MASK \
(ZONEFS_MNTOPT_ERRORS_RO | ZONEFS_MNTOPT_ERRORS_ZRO | \
ZONEFS_MNTOPT_ERRORS_ZOL | ZONEFS_MNTOPT_ERRORS_REPAIR)
+#define ZONEFS_MNTOPT_EXPLICIT_OPEN (1 << 4) /* Explicit open/close of zones on open/close */
/*
* In-memory Super block information.
@@ -175,6 +182,9 @@ struct zonefs_sb_info {
loff_t s_blocks;
loff_t s_used_blocks;
+
+ unsigned int s_max_open_zones;
+ atomic_t s_open_zones;
};
static inline struct zonefs_sb_info *ZONEFS_SB(struct super_block *sb)