diff --git a/fs/udf/inode.c b/fs/udf/inode.c index 395e582ee5425cab1ad65177d5f8c02bedc9e932..d04cff2273b681a9944f3a319af83114340341cb 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -1045,10 +1045,14 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) } inode->i_uid = le32_to_cpu(fe->uid); - if ( inode->i_uid == -1 ) inode->i_uid = UDF_SB(inode->i_sb)->s_uid; + if (inode->i_uid == -1 || UDF_QUERY_FLAG(inode->i_sb, + UDF_FLAG_UID_IGNORE)) + inode->i_uid = UDF_SB(inode->i_sb)->s_uid; inode->i_gid = le32_to_cpu(fe->gid); - if ( inode->i_gid == -1 ) inode->i_gid = UDF_SB(inode->i_sb)->s_gid; + if (inode->i_gid == -1 || UDF_QUERY_FLAG(inode->i_sb, + UDF_FLAG_GID_IGNORE)) + inode->i_gid = UDF_SB(inode->i_sb)->s_gid; inode->i_nlink = le16_to_cpu(fe->fileLinkCount); if (!inode->i_nlink) @@ -1335,10 +1339,14 @@ udf_update_inode(struct inode *inode, int do_sync) return err; } - if (inode->i_uid != UDF_SB(inode->i_sb)->s_uid) + if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_UID_FORGET)) + fe->uid = cpu_to_le32(-1); + else if (inode->i_uid != UDF_SB(inode->i_sb)->s_uid) fe->uid = cpu_to_le32(inode->i_uid); - if (inode->i_gid != UDF_SB(inode->i_sb)->s_gid) + if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_GID_FORGET)) + fe->gid = cpu_to_le32(-1); + else if (inode->i_gid != UDF_SB(inode->i_sb)->s_gid) fe->gid = cpu_to_le32(inode->i_gid); udfperms = ((inode->i_mode & S_IRWXO) ) | diff --git a/fs/udf/super.c b/fs/udf/super.c index 4a6f49adc609b051b16bea2e5e59d7719b1e5ed7..368d8f81fe54777c8c0f3a6e2e9d7aac2b912562 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -269,7 +269,7 @@ enum { Opt_gid, Opt_uid, Opt_umask, Opt_session, Opt_lastblock, Opt_anchor, Opt_volume, Opt_partition, Opt_fileset, Opt_rootdir, Opt_utf8, Opt_iocharset, - Opt_err + Opt_err, Opt_uforget, Opt_uignore, Opt_gforget, Opt_gignore }; static match_table_t tokens = { @@ -282,6 +282,10 @@ static match_table_t tokens = { {Opt_adinicb, "adinicb"}, {Opt_shortad, "shortad"}, {Opt_longad, "longad"}, + {Opt_uforget, "uid=forget"}, + {Opt_uignore, "uid=ignore"}, + {Opt_gforget, "gid=forget"}, + {Opt_gignore, "gid=ignore"}, {Opt_gid, "gid=%u"}, {Opt_uid, "uid=%u"}, {Opt_umask, "umask=%o"}, @@ -414,6 +418,18 @@ udf_parse_options(char *options, struct udf_options *uopt) uopt->flags |= (1 << UDF_FLAG_NLS_MAP); break; #endif + case Opt_uignore: + uopt->flags |= (1 << UDF_FLAG_UID_IGNORE); + break; + case Opt_uforget: + uopt->flags |= (1 << UDF_FLAG_UID_FORGET); + break; + case Opt_gignore: + uopt->flags |= (1 << UDF_FLAG_GID_IGNORE); + break; + case Opt_gforget: + uopt->flags |= (1 << UDF_FLAG_GID_FORGET); + break; default: printk(KERN_ERR "udf: bad mount option \"%s\" " "or missing value\n", p); diff --git a/fs/udf/udf_sb.h b/fs/udf/udf_sb.h index 663669810be60afbae65f2a262a657f98bfa7f64..110f8d62616f4fa513c0fbd123e7292e92793faf 100644 --- a/fs/udf/udf_sb.h +++ b/fs/udf/udf_sb.h @@ -20,6 +20,10 @@ #define UDF_FLAG_VARCONV 8 #define UDF_FLAG_NLS_MAP 9 #define UDF_FLAG_UTF8 10 +#define UDF_FLAG_UID_FORGET 11 /* save -1 for uid to disk */ +#define UDF_FLAG_UID_IGNORE 12 /* use sb uid instead of on disk uid */ +#define UDF_FLAG_GID_FORGET 13 +#define UDF_FLAG_GID_IGNORE 14 #define UDF_PART_FLAG_UNALLOC_BITMAP 0x0001 #define UDF_PART_FLAG_UNALLOC_TABLE 0x0002