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commit ab3e57b53f549ad51cbdf85e846ca4eaf0f3be30
Author: Dave Chinner <dchinner@xxxxxxxxxx>
Date: Tue May 20 07:47:05 2014 +1000
xfs: remove shared supberlock feature checking
We reject any filesystem that is mounted with this feature bit set,
so we don't need to check for it anywhere else. Remove the function
for checking if the feature bit is set and any code that uses it.
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Jie Liu <jeff.liu@xxxxxxxxxx>
Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>
commit 5d074a4f8005b988c9d48d29250e36ad64083252
Author: Dave Chinner <dchinner@xxxxxxxxxx>
Date: Tue May 20 07:46:55 2014 +1000
xfs: don't need dirv2 checks anymore
If the the V2 directory feature bit is not set in the superblock
feature mask the filesystem will fail the good version check.
Hence we don't need any other version checking on the dir2 feature
bit in the code as the filesystem will not mount without it set.
Remove the checking code.
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>
commit 263997a6842b27a49f42bd795c5dd12242917b22
Author: Dave Chinner <dchinner@xxxxxxxxxx>
Date: Tue May 20 07:46:40 2014 +1000
xfs: turn NLINK feature on by default
mkfs has turned on the XFS_SB_VERSION_NLINKBIT feature bit by
default since November 2007. It's about time we simply made the
kernel code turn it on by default and so always convert v1 inodes to
v2 inodes when reading them in from disk or allocating them. This
This removes needless version checks and modification when bumping
link counts on inodes, and will take code out of a few common code
paths.
text data bss dec hex filename
783251 100867 616 884734 d7ffe fs/xfs/xfs.o.orig
782664 100867 616 884147 d7db3 fs/xfs/xfs.o.patched
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>
commit 32bf1deae15b67839a2f0cb233254125be73fc78
Author: Dave Chinner <dchinner@xxxxxxxxxx>
Date: Tue May 20 07:41:43 2014 +1000
xfs: keep sb_bad_features2 the same a sb_features2
Whenever we update sb_features2, we need to update sb_bad_features2
so that they remain identical on disk. This prevents future mounts
or userspace utilities from getting confused over which features the
filesystem supports.
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>
commit f68a373525d26d1cd7920f9d5dbf0d3aa1b9b889
Author: Dave Chinner <dchinner@xxxxxxxxxx>
Date: Tue May 20 07:41:16 2014 +1000
xfs: make superblock version checks reflect reality
We only support filesystems that have v2 directory support, and than
means all the checking and handling of superblock versions prior to
this support being added is completely unnecessary overhead.
Strip out all the version 1-3 support, sanitise the good version
checking to reflect the supported versions, update all the feature
supported functions and clean up all the support bit definitions to
reflect the fact that we no longer care about Irix bootloader flag
regions for v4 feature bits. Also, convert the return values to
boolean types and remove typedefs from function declarations to
clean up calling conventions, too.
Because the feature bit checking is all inline code, this relatively
small cleanup has a noticable impact on code size:
text data bss dec hex filename
785195 100867 616 886678 d8796 fs/xfs/xfs.o.orig
783595 100867 616 885078 d8156 fs/xfs/xfs.o.patched
i.e. it reduces it by 1600 bytes.
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>
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