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kernfs: make kernfs_open_file->mmapped a bitfield

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More kernfs_open_file->mutex synchronized flags are planned to be
added.  Convert ->mmapped to a bitfield in preparation.

While at it, make kernfs_fop_mmap() use "true" instead of "1" on
->mmapped.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Acked-by: Zefan Li <lizefan@huawei.com>
This commit is contained in:
Tejun Heo 2016-12-27 14:49:02 -05:00
parent 7ce7d89f48
commit a1d82aff5d
2 changed files with 2 additions and 2 deletions
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2
include/linux/kernfs.h
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@ -185,7 +185,7 @@ struct kernfs_open_file {
char *prealloc_buf;
size_t atomic_write_len;
bool mmapped;
bool mmapped:1;
const struct vm_operations_struct *vm_ops;
};