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| author | NeilBrown <neilb@suse.de> | 2010-09-22 04:55:07 +0200 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2010-09-22 21:33:13 +0200 |
| commit | c67874f942e30039442d925b03793e0a46ddcddd (patch) | |
| tree | 4f5def2f155c74181b015a13d563c1898b64d98a /fs/nfsd/nfsctl.c | |
| parent | sunrpc/cache: fix recent breakage of cache_clean_deferred (diff) | |
| download | linux-c67874f942e30039442d925b03793e0a46ddcddd.tar.xz linux-c67874f942e30039442d925b03793e0a46ddcddd.zip | |
nfsd: formally deprecate legacy nfsd syscall interface
The syscall interface is has been replaced by a more flexible
interface since 2.6.0. It is time to work towards discarding
the old interface.
So add a entry in feature-removal-schedule.txt and print a warning
when the interface is used.
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/nfsctl.c')
| -rw-r--r-- | fs/nfsd/nfsctl.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index b53b1d042f1f..7f0fc8861b85 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -121,6 +121,16 @@ static ssize_t nfsctl_transaction_write(struct file *file, const char __user *bu static ssize_t nfsctl_transaction_read(struct file *file, char __user *buf, size_t size, loff_t *pos) { + static int warned; + if (file->f_dentry->d_name.name[0] == '.' && !warned) { + char name[sizeof(current->comm)]; + printk(KERN_INFO + "Warning: \"%s\" uses deprecated NFSD interface: %s." + " This will be removed in 2.6.40\n", + get_task_comm(name, current), + file->f_dentry->d_name.name); + warned = 1; + } if (! file->private_data) { /* An attempt to read a transaction file without writing * causes a 0-byte write so that the file can return |