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authorFabian Frederick <fabf@skynet.be>2014-04-07 15:39:01 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-04-07 16:36:08 -0700
commit8ca577223f75230a746a06f4566c53943f78d5d0 (patch)
treeced0c941b1568d00de80b5ced7650f49f6ddcd54 /fs/affs/super.c
parentd40c4d46eaa2295b5d1ee08f594b023245db87a4 (diff)
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affs: add mount option to avoid filename truncates
Normal behavior for filenames exceeding specific filesystem limits is to refuse operation. AFFS standard name length being only 30 characters against 255 for usual Linux filesystems, original implementation does filename truncate by default with a define value AFFS_NO_TRUNCATE which can be enabled but needs module compilation. This patch adds 'nofilenametruncate' mount option so that user can easily activate that feature and avoid a lot of problems (eg overwrite files ...) Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/affs/super.c')
-rw-r--r--fs/affs/super.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/affs/super.c b/fs/affs/super.c
index 4fad16adbe7b..6d589f28bf9b 100644
--- a/fs/affs/super.c
+++ b/fs/affs/super.c
@@ -163,7 +163,7 @@ static const struct super_operations affs_sops = {
};
enum {
- Opt_bs, Opt_mode, Opt_mufs, Opt_prefix, Opt_protect,
+ Opt_bs, Opt_mode, Opt_mufs, Opt_notruncate, Opt_prefix, Opt_protect,
Opt_reserved, Opt_root, Opt_setgid, Opt_setuid,
Opt_verbose, Opt_volume, Opt_ignore, Opt_err,
};
@@ -172,6 +172,7 @@ static const match_table_t tokens = {
{Opt_bs, "bs=%u"},
{Opt_mode, "mode=%o"},
{Opt_mufs, "mufs"},
+ {Opt_notruncate, "nofilenametruncate"},
{Opt_prefix, "prefix=%s"},
{Opt_protect, "protect"},
{Opt_reserved, "reserved=%u"},
@@ -233,6 +234,9 @@ parse_options(char *options, kuid_t *uid, kgid_t *gid, int *mode, int *reserved,
case Opt_mufs:
*mount_opts |= SF_MUFS;
break;
+ case Opt_notruncate:
+ *mount_opts |= SF_NO_TRUNCATE;
+ break;
case Opt_prefix:
*prefix = match_strdup(&args[0]);
if (!*prefix)