FAT also warn user then the discard request fails as ext4(http://patchwork.ozlabs.org/patch/192669/) Signed-off-by: Namjae Jeon <linkinjeon@xxxxxxxxx> Signed-off-by: Amit Sahrawat <amit.sahrawat83@xxxxxxxxx> --- fs/fat/fatent.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/fs/fat/fatent.c b/fs/fat/fatent.c index 260705c..fc1f407 100644 --- a/fs/fat/fatent.c +++ b/fs/fat/fatent.c @@ -583,12 +583,15 @@ int fat_free_clusters(struct inode *inode, int cluster) */ if (cluster != fatent.entry + 1) { int nr_clus = fatent.entry - first_cl + 1; - - sb_issue_discard(sb, - fat_clus_to_blknr(sbi, first_cl), - nr_clus * sbi->sec_per_clus, - GFP_NOFS, 0); - + sector_t sblk = fat_clus_to_blknr(sbi, first_cl); + sector_t nrblk = nr_clus * sbi->sec_per_clus; + + err = sb_issue_discard(sb, + sblk, nrblk, GFP_NOFS, 0); + if (err && err != -EOPNOTSUPP) + fat_msg(sb, KERN_WARNING, "discard request for" + " block:%llu count:%llu failed" + " with %d", sblk, nrblk, err); first_cl = cluster; } } -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
