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authorChris Mason <chris.mason@oracle.com>2009-06-10 09:51:32 -0400
committerChris Mason <chris.mason@oracle.com>2009-06-10 11:29:52 -0400
commitc289811cc096c57ff35550ee8132793a4f9b5b59 (patch)
tree47599d47419911c8365e0350e286dece1d5e48dd /fs/btrfs/compression.c
parent451d7585a8bb1b9bec0d676ce3dece1923164e55 (diff)
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Btrfs: autodetect SSD devices
During mount, btrfs will check the queue nonrot flag for all the devices found in the FS. If they are all non-rotating, SSD mode is enabled by default. If the FS was mounted with -o nossd, the non-rotating flag is ignored. Signed-off-by: Chris Mason <chris.mason@oracle.com>
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