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| author | Johannes Thumshirn <johannes.thumshirn@wdc.com> | 2020-09-11 10:56:48 +0200 |
|---|---|---|
| committer | Damien Le Moal <damien.lemoal@wdc.com> | 2020-09-15 11:32:40 +0200 |
| commit | 5498d5f93210ab4c55cd191473c8f4a59cc68e8e (patch) | |
| tree | 847b02713bf6ba9a6aad67764b3fc690a3e944d5 /fs/zonefs | |
| parent | Linux 5.9-rc2 (diff) | |
| download | linux-5498d5f93210ab4c55cd191473c8f4a59cc68e8e.tar.xz linux-5498d5f93210ab4c55cd191473c8f4a59cc68e8e.zip | |
zonefs: introduce helper for zone management
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@wdc.com>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Diffstat (limited to 'fs/zonefs')
| -rw-r--r-- | fs/zonefs/super.c | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/fs/zonefs/super.c b/fs/zonefs/super.c index 8ec7c8f109d7..6e13a5127b01 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 %s at %llu failed %d\n", + blk_op_str(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) @@ -397,14 +417,9 @@ 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); - if (ret) { - zonefs_err(inode->i_sb, - "Zone management operation at %llu failed %d", - zi->i_zsector, ret); + ret = zonefs_zone_mgmt(inode, op); + if (ret) goto unlock; - } zonefs_update_stats(inode, isize); truncate_setsize(inode, isize); |