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authorJan Kara <jack@suse.cz>2012-06-12 18:20:35 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2012-07-31 09:40:38 +0400
commiteb04c28288bb0098d0e75d81ba2a575239de71d8 (patch)
tree82912fd7c78be269560a8af7d8516918c279255b /fs/file_table.c
parent5accdf82ba25cacefd6c1867f1704beb4d244cdd (diff)
downloadlinux-eb04c28288bb0098d0e75d81ba2a575239de71d8.tar.xz
fs: Add freezing handling to mnt_want_write() / mnt_drop_write()
Most of places where we want freeze protection coincides with the places where we also have remount-ro protection. So make mnt_want_write() and mnt_drop_write() (and their _file alternative) prevent freezing as well. For the few cases that are really interested only in remount-ro protection provide new function variants. BugLink: https://bugs.launchpad.net/bugs/897421 Tested-by: Kamal Mostafa <kamal@canonical.com> Tested-by: Peter M. Petrakis <peter.petrakis@canonical.com> Tested-by: Dann Frazier <dann.frazier@canonical.com> Tested-by: Massimo Morana <massimo.morana@canonical.com> Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/file_table.c')
-rw-r--r--fs/file_table.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/file_table.c b/fs/file_table.c
index b54bf7fd0b15..701985e4ccda 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -217,7 +217,7 @@ static void drop_file_write_access(struct file *file)
return;
if (file_check_writeable(file) != 0)
return;
- mnt_drop_write(mnt);
+ __mnt_drop_write(mnt);
file_release_write(file);
}