You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

Matthew Wilcox a51cc59d1d xarray: add the xa_lock to the radix_tree_root ... This results in no change in structure size on 64-bit machines as it fits in the padding between the gfp_t and the void *. 32-bit machines will grow the structure from 8 to 12 bytes. Almost all radix trees are protected with (at least) a spinlock, so as they are converted from radix trees to xarrays, the data structures will shrink again. Initialising the spinlock requires a name for the benefit of lockdep, so RADIX_TREE_INIT() now needs to know the name of the radix tree it's initialising, and so do IDR_INIT() and IDA_INIT(). Also add the xa_lock() and xa_unlock() family of wrappers to make it easier to use the lock. If we could rely on -fplan9-extensions in the compiler, we could avoid all of this syntactic sugar, but that wasn't added until gcc 4.6. Link: http://lkml.kernel.org/r/20180313132639.17387-8-willy@infradead.org Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com> Reviewed-by: Jeff Layton <jlayton@kernel.org> Cc: Darrick J. Wong <darrick.wong@oracle.com> Cc: Dave Chinner <david@fromorbit.com> Cc: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> [@RealJohnGalt: adapt to 4.14] Signed-off-by: Cyber Knight <cyberknight755@gmail.com> Signed-off-by: Ruchit <ruchitmarathe@gmail.com>		5 months ago
..
Kconfig	Import A525FXXU3AUG4	3 years ago
Makefile	Import A525FXXU3AUG4	3 years ago
acl.c	Import A525FXXU3AUG4	3 years ago
acl.h	Import A525FXXU3AUG4	3 years ago
checkpoint.c	A525FXXU4CVJB	2 years ago
compress.c	sm7125: merge A525FXXU6EWL3 sources	6 months ago
data.c	A525FXXU4CVJB	2 years ago
debug.c	A525FXXU4CVJB	2 years ago
dir.c	Import A525FXXU3AUG4	3 years ago
extent_cache.c	Import A525FXXU3AUG4	3 years ago
f2fs.h	sm7125: merge A525FXXU6EWL3 sources	6 months ago
file.c	sm7125: merge A525FXXU6EWL3 sources	6 months ago
gc.c	xarray: add the xa_lock to the radix_tree_root	5 months ago
gc.h	Import A525FXXU3AUG4	3 years ago
hash.c	Import A525FXXU3AUG4	3 years ago
inline.c	Import A525FXXU3AUG4	3 years ago
inode.c	A525FXXU4CVJB	2 years ago
namei.c	Import A525FXXU3AUG4	3 years ago
node.c	A525FXXU4CVJB	2 years ago
node.h	A525FXXU4CVJB	2 years ago
recovery.c	Import A525FXXU3AUG4	3 years ago
segment.c	A525FXXU4CVJB	2 years ago
segment.h	Import A525FXXU3AUG4	3 years ago
shrinker.c	A525FXXU4CVJB	2 years ago
super.c	A525FXXU4CVJB	2 years ago
sysfs.c	Import A525FXXU3AUG4	3 years ago
trace.c	Import A525FXXU3AUG4	3 years ago
trace.h	Import A525FXXU3AUG4	3 years ago
verity.c	Import A525FXXU3AUG4	3 years ago
xattr.c	Import A525FXXU3AUG4	3 years ago
xattr.h	Import A525FXXU3AUG4	3 years ago