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| author | Jeff Garzik <jgarzik@pobox.com> | 2005-07-13 19:11:44 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-07-13 19:11:44 -0400 |
| commit | 08cd84c81f27d5bd22ba958b7cae6d566c509280 (patch) | |
| tree | 6fdb546c151410851fd3c604d42590afa4215084 /fs/ext2/super.c | |
| parent | e9dd2561793c05d70c9df1bc16a2dde6f23388df (diff) | |
| parent | 327309e899662b482c58cf25f574513d38b5788c (diff) | |
| download | linux-08cd84c81f27d5bd22ba958b7cae6d566c509280.tar.bz2 | |
Merge /spare/repo/netdev-2.6 branch 'ieee80211'
Diffstat (limited to 'fs/ext2/super.c')
| -rw-r--r-- | fs/ext2/super.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/fs/ext2/super.c b/fs/ext2/super.c index 876e391f2871..dcfe331dc4c4 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -936,12 +936,23 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data) struct ext2_sb_info * sbi = EXT2_SB(sb); struct ext2_super_block * es; unsigned long old_mount_opt = sbi->s_mount_opt; + struct ext2_mount_options old_opts; + unsigned long old_sb_flags; + int err; + + /* Store the old options */ + old_sb_flags = sb->s_flags; + old_opts.s_mount_opt = sbi->s_mount_opt; + old_opts.s_resuid = sbi->s_resuid; + old_opts.s_resgid = sbi->s_resgid; /* * Allow the "check" option to be passed as a remount option. */ - if (!parse_options (data, sbi)) - return -EINVAL; + if (!parse_options (data, sbi)) { + err = -EINVAL; + goto restore_opts; + } sb->s_flags = (sb->s_flags & ~MS_POSIXACL) | ((sbi->s_mount_opt & EXT2_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0); @@ -971,7 +982,8 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data) printk("EXT2-fs: %s: couldn't remount RDWR because of " "unsupported optional features (%x).\n", sb->s_id, le32_to_cpu(ret)); - return -EROFS; + err = -EROFS; + goto restore_opts; } /* * Mounting a RDONLY partition read-write, so reread and @@ -984,6 +996,12 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data) } ext2_sync_super(sb, es); return 0; +restore_opts: + sbi->s_mount_opt = old_opts.s_mount_opt; + sbi->s_resuid = old_opts.s_resuid; + sbi->s_resgid = old_opts.s_resgid; + sb->s_flags = old_sb_flags; + return err; } static int ext2_statfs (struct super_block * sb, struct kstatfs * buf) |