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(parent: c79647f) | patch
btrfs: voluntarily relinquish cpu when doing a full fsync
authorFilipe Manana <fdmanana@suse.com>
Thu, 17 Feb 2022 12:12:05 +0000 (12:12 +0000)
committerDavid Sterba <dsterba@suse.com>
Mon, 14 Mar 2022 12:13:52 +0000 (13:13 +0100)
commit862390faaf6feaf46d115c9a914df07ad25e36a9
tree3fb5e6b96c7ad3f8cb699ed43804f9dc01fe6902tree | snapshot
parentc79647fe1c6113165dd212835538283c03a87c4acommit | diff
btrfs: voluntarily relinquish cpu when doing a full fsync

Doing a full fsync may require processing many leaves of metadata, which
can take some time and result in a task monopolizing a cpu for too long.
So add a cond_resched() after processing a leaf when doing a full fsync,
while not holding any locks on any tree (a subvolume or a log tree).

Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/tree-log.c diff | blob | history
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