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This patch makes hfsplus stop using the VFS '->write_super()' method along with the 's_dirt' superblock flag, because they are on their way out. 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> |
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| .. | ||
| bfind.c | ||
| bitmap.c | ||
| bnode.c | ||
| brec.c | ||
| btree.c | ||
| catalog.c | ||
| dir.c | ||
| extents.c | ||
| hfsplus_fs.h | ||
| hfsplus_raw.h | ||
| inode.c | ||
| ioctl.c | ||
| Kconfig | ||
| Makefile | ||
| options.c | ||
| part_tbl.c | ||
| super.c | ||
| tables.c | ||
| unicode.c | ||
| wrapper.c | ||