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authorMiklos Szeredi <mszeredi@suse.cz>2011-11-21 06:11:33 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2012-01-06 23:20:13 -0500
commit8e8b87964bc8dc5c14b6543fc933b7725f07d3ac (patch)
tree9a14c135741f3a8ba960ff97f060a58597604a6d /fs/super.c
parent7ada4db88634429f4da690ad1c4eb73c93085f0c (diff)
vfs: prevent remount read-only if pending removes
If there are any inodes on the super block that have been unlinked (i_nlink == 0) but have not yet been deleted then prevent the remounting the super block read-only. Reported-by: Toshiyuki Okajima <toshi.okajima@jp.fujitsu.com> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Tested-by: Toshiyuki Okajima <toshi.okajima@jp.fujitsu.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/super.c')
-rw-r--r--fs/super.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/fs/super.c b/fs/super.c
index 6acc02237e3e..de41e1e46f09 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -729,10 +729,6 @@ int do_remount_sb(struct super_block *sb, int flags, void *data, int force)
729 retval = sb_prepare_remount_readonly(sb); 729 retval = sb_prepare_remount_readonly(sb);
730 if (retval) 730 if (retval)
731 return retval; 731 return retval;
732
733 retval = -EBUSY;
734 if (!fs_may_remount_ro(sb))
735 goto cancel_readonly;
736 } 732 }
737 } 733 }
738 734