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authorJan Kara <jack@suse.cz>2012-06-12 16:20:36 +0200
committerAl Viro <viro@zeniv.linux.org.uk>2012-07-31 07:45:38 +0200
commit5d37e9e6dec65cd21be68ee92de99686213e916b (patch)
tree8d52a542cdd917053e3c8ad71d7529887a39d9c5 /fs/splice.c
parentfs: Add freezing handling to mnt_want_write() / mnt_drop_write() (diff)
downloadlinux-5d37e9e6dec65cd21be68ee92de99686213e916b.tar.xz
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fs: Skip atime update on frozen filesystem
It is unexpected to block reading of frozen filesystem because of atime update. Also handling blocking on frozen filesystem because of atime update would make locking more complex than it already is. So just skip atime update when filesystem is frozen like we skip it when filesystem is remounted read-only. BugLink: https://bugs.launchpad.net/bugs/897421 Tested-by: Kamal Mostafa <kamal@canonical.com> Tested-by: Peter M. Petrakis <peter.petrakis@canonical.com> Tested-by: Dann Frazier <dann.frazier@canonical.com> Tested-by: Massimo Morana <massimo.morana@canonical.com> Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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