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authorDmitry Monakhov <dmonakhov@openvz.org>2015-04-13 16:31:35 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2016-01-06 12:55:29 -0500
commit1031bc589228ca35b3b6fb3dfe4656c0da5fbeb4 (patch)
tree52ad94e769ee16491c9db4e9904ac266292e4996 /fs/minix
parent424081f3c881ca3aef50cfa571e91863c10d952a (diff)
downloadlinux-1031bc589228ca35b3b6fb3dfe4656c0da5fbeb4.tar.bz2
lib/vsprintf: add %*pg format specifier
This allow to directly print block_device name. Currently one should use bdevname() with temporal char buffer. This is very ineffective because bloat stack usage for deep IO call-traces Example: %pg -> sda, sda1 or loop0p1 [AV: fixed a minor braino - position updates should not be dependent upon having reached the of buffer] Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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