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authorOmar Sandoval <osandov@fb.com>2019-09-04 22:13:25 +0300
committerDavid Sterba <dsterba@suse.com>2022-03-14 15:13:50 +0300
commit871129332d74c9e94bd110932ac4445833995639 (patch)
treeb684145f2cfd170d35d7b154559f6810d44acbe6 /fs/read_write.c
parent457b0a3d6e266f40a367205e224b971e4da7f5f8 (diff)
downloadlinux-871129332d74c9e94bd110932ac4445833995639.tar.xz
fs: export rw_verify_area()
I'm adding btrfs ioctls to read and write compressed data, and rather than duplicating the checks in rw_verify_area(), let's just export it. Reviewed-by: Josef Bacik <josef@toxicpanda.com> Signed-off-by: Omar Sandoval <osandov@fb.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/read_write.c')
-rw-r--r--fs/read_write.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/read_write.c b/fs/read_write.c
index 0074afa7ecb3..4d60146243df 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -385,6 +385,7 @@ int rw_verify_area(int read_write, struct file *file, const loff_t *ppos, size_t
return security_file_permission(file,
read_write == READ ? MAY_READ : MAY_WRITE);
}
+EXPORT_SYMBOL(rw_verify_area);
static ssize_t new_sync_read(struct file *filp, char __user *buf, size_t len, loff_t *ppos)
{