7cff4b1836
Kernfs supports two styles of read: direct_read and seqfile_read. The latter supports 'poll' correctly thanks to the update of '->event' in kernfs_seq_show. The former does not as '->event' is never updated on a read. So add an appropriate update in kernfs_file_direct_read(). This was noticed because some 'md' sysfs attributes were recently changed to use direct reads. Reported-by: Prakash Punnoor <prakash@punnoor.de> Reported-by: Torsten Kaiser <just.for.lkml@googlemail.com> Fixes: 750f199ee8b578062341e6ddfe36c59ac8ff2dcb Signed-off-by: NeilBrown <neilb@suse.de> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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| .. | ||
| dir.c | ||
| file.c | ||
| inode.c | ||
| Kconfig | ||
| kernfs-internal.h | ||
| Makefile | ||
| mount.c | ||
| symlink.c | ||