Introduce a helper function for sending zone management commands to the
block device.
As zone management commands can change a zone write pointer position
reflected in the size of the zone file, this function expects the truncate
mutex to be held.
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@xxxxxxx>
---
fs/zonefs/super.c | 27 +++++++++++++++++++++++----
1 file changed, 23 insertions(+), 4 deletions(-)
diff --git a/fs/zonefs/super.c b/fs/zonefs/super.c
index 8ec7c8f109d7..9573aebee146 100644
--- a/fs/zonefs/super.c
+++ b/fs/zonefs/super.c
@@ -24,6 +24,26 @@
#include "zonefs.h"
+static inline int zonefs_zone_mgmt(struct inode *inode,
+ enum req_opf op)
+{
+ struct zonefs_inode_info *zi = ZONEFS_I(inode);
+ int ret;
+
+ lockdep_assert_held(&zi->i_truncate_mutex);
+
+ ret = blkdev_zone_mgmt(inode->i_sb->s_bdev, op, zi->i_zsector,
+ zi->i_zone_size >> SECTOR_SHIFT, GFP_NOFS);
+ if (ret) {
+ zonefs_err(inode->i_sb,
+ "Zone management operation %d at %llu failed %d",
+ op, zi->i_zsector, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
static int zonefs_iomap_begin(struct inode *inode, loff_t offset, loff_t length,
unsigned int flags, struct iomap *iomap,
struct iomap *srcmap)
@@ -397,12 +417,11 @@ static int zonefs_file_truncate(struct inode *inode, loff_t isize)
if (isize == old_isize)
goto unlock;
- ret = blkdev_zone_mgmt(inode->i_sb->s_bdev, op, zi->i_zsector,
- zi->i_zone_size >> SECTOR_SHIFT, GFP_NOFS);
+ ret = zonefs_zone_mgmt(inode, op);
if (ret) {
zonefs_err(inode->i_sb,
- "Zone management operation at %llu failed %d",
- zi->i_zsector, ret);
+ "Zone management operation %s at %llu failed %d",
+ blk_op_str(op), zi->i_zsector, ret);
goto unlock;
}
--
2.26.2
