diff options
| author | Pali Rohár <pali@kernel.org> | 2024-09-21 16:15:30 +0200 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2025-01-29 17:35:38 -0600 |
| commit | 78f69467cbbfd24da5ce9917c4b738b38a615f8b (patch) | |
| tree | a35daf3ee26627e76ce917140fd9908bc5c6abf1 | |
| parent | 660618dde2b4c372132a6be62f11ab68a0a1571a (diff) | |
cifs: Add mount option -o reparse=none
This new mount option allows to completely disable creating new reparse
points. When -o sfu or -o mfsymlinks or -o symlink= is not specified then
creating any special file (fifo, socket, symlink, block and char) will fail
with -EOPNOTSUPP error.
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
| -rw-r--r-- | fs/smb/client/cifsglob.h | 3 | ||||
| -rw-r--r-- | fs/smb/client/fs_context.c | 8 | ||||
| -rw-r--r-- | fs/smb/client/fs_context.h | 1 |
3 files changed, 11 insertions, 1 deletions
diff --git a/fs/smb/client/cifsglob.h b/fs/smb/client/cifsglob.h index 9a96f69e67d0..ee9754fad3e8 100644 --- a/fs/smb/client/cifsglob.h +++ b/fs/smb/client/cifsglob.h @@ -160,6 +160,7 @@ enum upcall_target_enum { }; enum cifs_reparse_type { + CIFS_REPARSE_TYPE_NONE, CIFS_REPARSE_TYPE_NFS, CIFS_REPARSE_TYPE_WSL, CIFS_REPARSE_TYPE_DEFAULT = CIFS_REPARSE_TYPE_NFS, @@ -168,6 +169,8 @@ enum cifs_reparse_type { static inline const char *cifs_reparse_type_str(enum cifs_reparse_type type) { switch (type) { + case CIFS_REPARSE_TYPE_NONE: + return "none"; case CIFS_REPARSE_TYPE_NFS: return "nfs"; case CIFS_REPARSE_TYPE_WSL: diff --git a/fs/smb/client/fs_context.c b/fs/smb/client/fs_context.c index 5a9a5e04fb05..821eb149e4b8 100644 --- a/fs/smb/client/fs_context.c +++ b/fs/smb/client/fs_context.c @@ -334,6 +334,7 @@ cifs_parse_cache_flavor(struct fs_context *fc, char *value, struct smb3_fs_conte static const match_table_t reparse_flavor_tokens = { { Opt_reparse_default, "default" }, + { Opt_reparse_none, "none" }, { Opt_reparse_nfs, "nfs" }, { Opt_reparse_wsl, "wsl" }, { Opt_reparse_err, NULL }, @@ -348,6 +349,9 @@ static int parse_reparse_flavor(struct fs_context *fc, char *value, case Opt_reparse_default: ctx->reparse_type = CIFS_REPARSE_TYPE_DEFAULT; break; + case Opt_reparse_none: + ctx->reparse_type = CIFS_REPARSE_TYPE_NONE; + break; case Opt_reparse_nfs: ctx->reparse_type = CIFS_REPARSE_TYPE_NFS; break; @@ -1828,8 +1832,10 @@ enum cifs_symlink_type get_cifs_symlink_type(struct cifs_sb_info *cifs_sb) return CIFS_SYMLINK_TYPE_SFU; else if (cifs_sb->ctx->linux_ext && !cifs_sb->ctx->no_linux_ext) return CIFS_SYMLINK_TYPE_UNIX; - else + else if (cifs_sb->ctx->reparse_type != CIFS_REPARSE_TYPE_NONE) return CIFS_SYMLINK_TYPE_NATIVE; + else + return CIFS_SYMLINK_TYPE_NONE; } else { return cifs_sb->ctx->symlink_type; } diff --git a/fs/smb/client/fs_context.h b/fs/smb/client/fs_context.h index 204643428068..2ccdda350267 100644 --- a/fs/smb/client/fs_context.h +++ b/fs/smb/client/fs_context.h @@ -43,6 +43,7 @@ enum { enum cifs_reparse_parm { Opt_reparse_default, + Opt_reparse_none, Opt_reparse_nfs, Opt_reparse_wsl, Opt_reparse_err |