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Artem Bityutskiy 9e9ad5f408 fs/ufs: get rid of write_super ... This patch makes UFS stop using the VFS '->write_super()' method along with the 's_dirt' superblock flag, because they are on their way out. The way we implement this is that we schedule a delay job instead relying on 's_dirt' and '->write_super()'. The whole "superblock write-out" VFS infrastructure is served by the 'sync_supers()' kernel thread, which wakes up every 5 (by default) seconds and writes out all dirty superblocks using the '->write_super()' call-back. But the problem with this thread is that it wastes power by waking up the system every 5 seconds, even if there are no diry superblocks, or there are no client file-systems which would need this (e.g., btrfs does not use '->write_super()'). So we want to kill it completely and thus, we need to make file-systems to stop using the '->write_super()' VFS service, and then remove it together with the kernel thread. Tested using fsstress from the LTP project. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>		13 years ago
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Kconfig	…
Makefile	…
balloc.c	fs/ufs: get rid of write_super	13 years ago
cylinder.c	…
dir.c	…
file.c	…
ialloc.c	fs/ufs: get rid of write_super	13 years ago
inode.c	vfs: Rename end_writeback() to clear_inode()	13 years ago
namei.c	don't pass nameidata to ->create()	13 years ago
super.c	fs/ufs: get rid of write_super	13 years ago
swab.h	…
symlink.c	…
truncate.c	…
ufs.h	fs/ufs: get rid of write_super	13 years ago
ufs_fs.h	fs/ufs: get rid of write_super	13 years ago
util.c	…
util.h	…