[hirofumi@xxxxxxxxxxxxxxxxxx: discard _after_ checking for corrupt chains]
Signed-off-by: David Woodhouse <David.Woodhouse@xxxxxxxxx>
Signed-off-by: OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
---
fs/fat/fatent.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/fs/fat/fatent.c b/fs/fat/fatent.c
index 302e95c..a8b10ac 100644
--- a/fs/fat/fatent.c
+++ b/fs/fat/fatent.c
@@ -6,6 +6,7 @@
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/msdos_fs.h>
+#include <linux/blkdev.h>
struct fatent_operations {
void (*ent_blocknr)(struct super_block *, int, int *, sector_t *);
@@ -551,6 +552,10 @@ int fat_free_clusters(struct inode *inode, int cluster)
goto error;
}
+ /* Issue discard for the sectors we no longer care about */
+ sb_issue_discard(sb, fat_clus_to_blknr(sbi, fatent.entry),
+ sbi->sec_per_clus, NULL);
+
ops->ent_put(&fatent, FAT_ENT_FREE);
if (sbi->free_clusters != -1) {
sbi->free_clusters++;
--
1.5.5.1
--
David Woodhouse Open Source Technology Centre
David.Woodhouse@xxxxxxxxx Intel Corporation
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