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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-16 10:29:26 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-16 10:29:26 -0800
commit337e4a1ab4d736b8c39a4c3a233ac21f1a6c036f (patch)
tree20c58600b42600b8f62f3cfb63fc62b1a7fbc78c /fs/fat/inode.c
parent7949456b1b96924c2d9ae5aea5fa7d4c81c946ed (diff)
parent681142f9211b23e6aa2984259d38b76d7bdc05a8 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/hirofumi/fatfs-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/hirofumi/fatfs-2.6: fat: make discard a mount option
Diffstat (limited to 'fs/fat/inode.c')
-rw-r--r--fs/fat/inode.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index 76b7961ab66..14da530b05c 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -858,6 +858,8 @@ static int fat_show_options(struct seq_file *m, struct vfsmount *mnt)
seq_puts(m, ",errors=panic");
else
seq_puts(m, ",errors=remount-ro");
+ if (opts->discard)
+ seq_puts(m, ",discard");
return 0;
}
@@ -871,7 +873,7 @@ enum {
Opt_shortname_winnt, Opt_shortname_mixed, Opt_utf8_no, Opt_utf8_yes,
Opt_uni_xl_no, Opt_uni_xl_yes, Opt_nonumtail_no, Opt_nonumtail_yes,
Opt_obsolate, Opt_flush, Opt_tz_utc, Opt_rodir, Opt_err_cont,
- Opt_err_panic, Opt_err_ro, Opt_err,
+ Opt_err_panic, Opt_err_ro, Opt_discard, Opt_err,
};
static const match_table_t fat_tokens = {
@@ -899,6 +901,7 @@ static const match_table_t fat_tokens = {
{Opt_err_cont, "errors=continue"},
{Opt_err_panic, "errors=panic"},
{Opt_err_ro, "errors=remount-ro"},
+ {Opt_discard, "discard"},
{Opt_obsolate, "conv=binary"},
{Opt_obsolate, "conv=text"},
{Opt_obsolate, "conv=auto"},
@@ -1136,6 +1139,9 @@ static int parse_options(char *options, int is_vfat, int silent, int *debug,
case Opt_rodir:
opts->rodir = 1;
break;
+ case Opt_discard:
+ opts->discard = 1;
+ break;
/* obsolete mount options */
case Opt_obsolate: