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| author | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2011-03-21 15:26:42 +0100 |
|---|---|---|
| committer | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2011-05-13 18:23:53 +0200 |
| commit | 1bbfc848a915081237660d898bbcf50e4a8fc59f (patch) | |
| tree | 50016a57e5f1e2e8f0521a49a66e5cb0ad637ff9 /fs/ubifs/debug.c | |
| parent | Linux 2.6.39-rc7 (diff) | |
| download | linux-1bbfc848a915081237660d898bbcf50e4a8fc59f.tar.xz linux-1bbfc848a915081237660d898bbcf50e4a8fc59f.zip | |
UBIFS: make debugfs files non-seekable
Turn the debufs files UBIFS maintains into non-seekable. Indeed, none
of them is supposed to be seek'ed.
Do this by making the '.lseek()' handler to be 'no_llseek()' and by
using 'nonseekable_open()' in the '.open()' operation.
This does mean an API break but this debugging API is only used by a couple
of test scripts which do not rely in the 'llseek()' operation.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Diffstat (limited to 'fs/ubifs/debug.c')
| -rw-r--r-- | fs/ubifs/debug.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c index 004d3745dc45..da9ecddf028a 100644 --- a/fs/ubifs/debug.c +++ b/fs/ubifs/debug.c @@ -2784,7 +2784,7 @@ void dbg_debugfs_exit(void) static int open_debugfs_file(struct inode *inode, struct file *file) { file->private_data = inode->i_private; - return 0; + return nonseekable_open(inode, file); } static ssize_t write_debugfs_file(struct file *file, const char __user *buf, @@ -2814,7 +2814,7 @@ static const struct file_operations dfs_fops = { .open = open_debugfs_file, .write = write_debugfs_file, .owner = THIS_MODULE, - .llseek = default_llseek, + .llseek = no_llseek, }; /** |