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The following three sysfs files are created to display according feature
set information of bcache:
/sys/fs/bcache/<cache set UUID>/internal/feature_compat
/sys/fs/bcache/<cache set UUID>/internal/feature_ro_compat
/sys/fs/bcache/<cache set UUID>/internal/feature_incompat
is added by this patch, to display feature sets information of the cache
set.
Now only an incompat feature 'large_bucket' added in bcache, the sysfs
file content is:
[large_bucket]
string large_bucket means the running bcache drive supports incompat
feature 'large_bucket', the wrapping [] means the 'large_bucket' feature
is currently enabled on this cache set.
This patch is ready to display compat and ro_compat features, in future
once bcache code implements such feature sets, the according feature
strings will be displayed in their sysfs files too.
Signed-off-by: Coly Li <colyli@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
8 lines
236 B
Makefile
8 lines
236 B
Makefile
# SPDX-License-Identifier: GPL-2.0
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obj-$(CONFIG_BCACHE) += bcache.o
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bcache-y := alloc.o bset.o btree.o closure.o debug.o extents.o\
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io.o journal.o movinggc.o request.o stats.o super.o sysfs.o trace.o\
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util.o writeback.o features.o
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