diff options
| author | NeilBrown <neilb@cse.unsw.edu.au> | 2005-06-23 22:04:32 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-24 00:06:36 -0700 |
| commit | 0964a3d3f1aa96468091924f6b0c391a46dc6d0b (patch) | |
| tree | 0a6b0587d1922d64ca7e4aa7f306ad869bccf452 /fs/nfsd/nfs4state.c | |
| parent | c7b9a45927e74c81d6562153f7fde9d32da00159 (diff) | |
[PATCH] knfsd: nfsd4 reboot dirname fix
Set the recovery directory via /proc/fs/nfsd/nfs4recoverydir.
It may be changed any time, but is used only on startup.
Signed-off-by: Andy Adamson <andros@citi.umich.edu>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/nfsd/nfs4state.c')
| -rw-r--r-- | fs/nfsd/nfs4state.c | 37 |
1 files changed, 35 insertions, 2 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 6cca358cd650..89e36526d7f2 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -48,6 +48,7 @@ #include <linux/nfs4.h> #include <linux/nfsd/state.h> #include <linux/nfsd/xdr4.h> +#include <linux/namei.h> #define NFSDDBG_FACILITY NFSDDBG_PROC @@ -71,7 +72,8 @@ static stateid_t onestateid; /* bits all 1 */ static struct nfs4_stateid * find_stateid(stateid_t *stid, int flags); static struct nfs4_delegation * find_delegation_stateid(struct inode *ino, stateid_t *stid); static void release_stateid_lockowners(struct nfs4_stateid *open_stp); -extern char recovery_dirname[]; +static char user_recovery_dirname[PATH_MAX] = "/var/lib/nfs/v4recovery"; +static void nfs4_set_recdir(char *recdir); /* Locking: * @@ -3224,8 +3226,10 @@ nfsd4_load_reboot_recovery_data(void) { int status; - nfsd4_init_recdir(recovery_dirname); + nfs4_lock_state(); + nfsd4_init_recdir(user_recovery_dirname); status = nfsd4_recdir_load(); + nfs4_unlock_state(); if (status) printk("NFSD: Failure reading reboot recovery data\n"); } @@ -3329,6 +3333,35 @@ nfs4_state_shutdown(void) nfs4_unlock_state(); } +static void +nfs4_set_recdir(char *recdir) +{ + nfs4_lock_state(); + strcpy(user_recovery_dirname, recdir); + nfs4_unlock_state(); +} + +/* + * Change the NFSv4 recovery directory to recdir. + */ +int +nfs4_reset_recoverydir(char *recdir) +{ + int status; + struct nameidata nd; + + status = path_lookup(recdir, LOOKUP_FOLLOW, &nd); + if (status) + return status; + status = -ENOTDIR; + if (S_ISDIR(nd.dentry->d_inode->i_mode)) { + nfs4_set_recdir(recdir); + status = 0; + } + path_release(&nd); + return status; +} + /* * Called when leasetime is changed. * |