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authorTejun Heo <tj@kernel.org>2013-10-01 17:42:07 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-10-05 17:27:40 -0700
commit73d9714627adced2942e8d53ce0e73d9699a996c (patch)
treebd144cf3a7871240386c70fae6c4492f3331c093 /fs/sysfs/dir.c
parent2f0c6b7593a590eef7fa35344da57380fcee7581 (diff)
sysfs: copy bin mmap support from fs/sysfs/bin.c to fs/sysfs/file.c
sysfs bin file handling will be merged into the regular file support. This patch copies mmap support from bin so that fs/sysfs/file.c can handle mmapping bin files. The code is copied mostly verbatim with the following updates. * ->mmapped and ->vm_ops are added to sysfs_open_file and bin_buffer references are replaced with sysfs_open_file ones. * Symbols are prefixed with sysfs_. * sysfs_unmap_bin_file() grabs sysfs_open_dirent and traverses ->files. Invocation of this function is added to sysfs_addrm_finish(). * sysfs_bin_mmap() is added to sysfs_bin_operations. This is a preparation and the new mmap path isn't used yet. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/sysfs/dir.c')
-rw-r--r--fs/sysfs/dir.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index b518afd0d11e..c4040ddb8308 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -595,6 +595,7 @@ void sysfs_addrm_finish(struct sysfs_addrm_cxt *acxt)
acxt->removed = sd->u.removed_list;
sysfs_deactivate(sd);
+ sysfs_unmap_bin_file(sd);
unmap_bin_file(sd);
sysfs_put(sd);
}