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Take fs_struct handling to new file (fs/fs_struct.c)

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Pure code move; two new helper functions for nfsd and daemonize
(unshare_fs_struct() and daemonize_fs_struct() resp.; for now -
the same code as used to be in callers).  unshare_fs_struct()
exported (for nfsd, as copy_fs_struct()/exit_fs() used to be),
copy_fs_struct() and exit_fs() don't need exports anymore.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2009-03-29 19:00:13 -04:00
parent f8ef3ed2be
commit 3e93cd6718
9 changed files with 155 additions and 138 deletions
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7
fs/nfsd/nfssvc.c
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@@ -404,7 +404,6 @@ static int
nfsd(void *vrqstp)
{
struct svc_rqst *rqstp = (struct svc_rqst *) vrqstp;
struct fs_struct *fsp;
int err, preverr = 0;
/* Lock module and set up kernel thread */
@@ -413,13 +412,11 @@ nfsd(void *vrqstp)
/* At this point, the thread shares current->fs
* with the init process. We need to create files with a
* umask of 0 instead of init's umask. */
fsp = copy_fs_struct(current->fs);
if (!fsp) {
if (unshare_fs_struct() < 0) {
printk("Unable to start nfsd thread: out of memory\n");
goto out;
}
exit_fs(current);
current->fs = fsp;
current->fs->umask = 0;
/*