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authorSteven Whitehouse <swhiteho@redhat.com>2006-06-14 15:32:57 -0400
committerSteven Whitehouse <swhiteho@redhat.com>2006-06-14 15:32:57 -0400
commitfeaa7bba026c181ce071d5a4884f7f9dd26207a1 (patch)
treec858deb225917265cb07820730e9764674d133e8 /fs/gfs2/Makefile
parent22da645fd6675b7abc55cf937ddf6132f343e5b9 (diff)
[GFS2] Fix unlinked file handling
This patch fixes the way we have been dealing with unlinked, but still open files. It removes all limits (other than memory for inodes, as per every other filesystem) on numbers of these which we can support on GFS2. It also means that (like other fs) its the responsibility of the last process to close the file to deallocate the storage, rather than the person who did the unlinking. Note that with GFS2, those two events might take place on different nodes. Also there are a number of other changes: o We use the Linux inode subsystem as it was intended to be used, wrt allocating GFS2 inodes o The Linux inode cache is now the point which we use for local enforcement of only holding one copy of the inode in core at once (previous to this we used the glock layer). o We no longer use the unlinked "special" file. We just ignore it completely. This makes unlinking more efficient. o We now use the 4th block allocation state. The previously unused state is used to track unlinked but still open inodes. o gfs2_inoded is no longer needed o Several fields are now no longer needed (and removed) from the in core struct gfs2_inode o Several fields are no longer needed (and removed) from the in core superblock There are a number of future possible optimisations and clean ups which have been made possible by this patch. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/Makefile')
-rw-r--r--fs/gfs2/Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/gfs2/Makefile b/fs/gfs2/Makefile
index 9974201aa16..0b7977623b8 100644
--- a/fs/gfs2/Makefile
+++ b/fs/gfs2/Makefile
@@ -3,7 +3,7 @@ gfs2-y := acl.o bmap.o daemon.o dir.o eaops.o eattr.o glock.o \
glops.o inode.o lm.o log.o lops.o locking.o lvb.o main.o meta_io.o \
mount.o ondisk.o ops_address.o ops_dentry.o ops_export.o ops_file.o \
ops_fstype.o ops_inode.o ops_super.o ops_vm.o page.o quota.o \
- recovery.o rgrp.o super.o sys.o trans.o unlinked.o util.o
+ recovery.o rgrp.o super.o sys.o trans.o util.o
obj-$(CONFIG_GFS2_FS_LOCKING_NOLOCK) += locking/nolock/
obj-$(CONFIG_GFS2_FS_LOCKING_DLM) += locking/dlm/