From: Miklos Szeredi Introduce path_unlink(). Make vfs_unlink() static. Signed-off-by: Miklos Szeredi --- fs/ecryptfs/inode.c | 12 ++++++------ fs/namei.c | 22 +++++++++++++++------- fs/nfsd/nfs4recover.c | 3 ++- fs/nfsd/vfs.c | 12 ++---------- include/linux/fs.h | 2 +- ipc/mqueue.c | 10 +++++----- 6 files changed, 31 insertions(+), 30 deletions(-) Index: linux-2.6/fs/ecryptfs/inode.c =================================================================== --- linux-2.6.orig/fs/ecryptfs/inode.c 2008-05-06 11:04:39.000000000 +0200 +++ linux-2.6/fs/ecryptfs/inode.c 2008-05-06 11:04:39.000000000 +0200 @@ -415,22 +415,22 @@ static int ecryptfs_unlink(struct inode { int rc = 0; struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry); - struct inode *lower_dir_inode = ecryptfs_inode_to_lower(dir); - struct dentry *lower_dir_dentry; + struct path lower_dir; - lower_dir_dentry = lock_parent(lower_dentry); - rc = vfs_unlink(lower_dir_inode, lower_dentry); + lower_dir.mnt = ecryptfs_dentry_to_lower_mnt(dentry); + lower_dir.dentry = lock_parent(lower_dentry); + rc = path_unlink(&lower_dir, lower_dentry); if (rc) { printk(KERN_ERR "Error in vfs_unlink; rc = [%d]\n", rc); goto out_unlock; } - fsstack_copy_attr_times(dir, lower_dir_inode); + fsstack_copy_attr_times(dir, lower_dir.dentry->d_inode); dentry->d_inode->i_nlink = ecryptfs_inode_to_lower(dentry->d_inode)->i_nlink; dentry->d_inode->i_ctime = dir->i_ctime; d_drop(dentry); out_unlock: - unlock_dir(lower_dir_dentry); + unlock_dir(lower_dir.dentry); return rc; } Index: linux-2.6/fs/namei.c =================================================================== --- linux-2.6.orig/fs/namei.c 2008-05-06 11:04:39.000000000 +0200 +++ linux-2.6/fs/namei.c 2008-05-06 11:04:39.000000000 +0200 @@ -2322,7 +2322,7 @@ asmlinkage long sys_rmdir(const char __u return do_rmdir(AT_FDCWD, pathname); } -int vfs_unlink(struct inode *dir, struct dentry *dentry) +static int vfs_unlink(struct inode *dir, struct dentry *dentry) { int error = may_delete(dir, dentry, 0); @@ -2353,6 +2353,19 @@ int vfs_unlink(struct inode *dir, struct return error; } +int path_unlink(struct path *dir_path, struct dentry *dentry) +{ + int error = mnt_want_write(dir_path->mnt); + + if (!error) { + error = vfs_unlink(dir_path->dentry->d_inode, dentry); + mnt_drop_write(dir_path->mnt); + } + + return error; +} +EXPORT_SYMBOL(path_unlink); + /* * Make sure that the actual truncation of the file will occur outside its * directory's i_mutex. Truncate can take a long time if there is a lot of @@ -2387,11 +2400,7 @@ static long do_unlinkat(int dfd, const c inode = dentry->d_inode; if (inode) atomic_inc(&inode->i_count); - error = mnt_want_write(nd.path.mnt); - if (error) - goto exit2; - error = vfs_unlink(nd.path.dentry->d_inode, dentry); - mnt_drop_write(nd.path.mnt); + error = path_unlink(&nd.path, dentry); exit2: dput(dentry); } @@ -3002,6 +3011,5 @@ EXPORT_SYMBOL(generic_permission); EXPORT_SYMBOL(vfs_readlink); EXPORT_SYMBOL(vfs_rename); EXPORT_SYMBOL(vfs_symlink); -EXPORT_SYMBOL(vfs_unlink); EXPORT_SYMBOL(dentry_unhash); EXPORT_SYMBOL(generic_readlink); Index: linux-2.6/fs/nfsd/nfs4recover.c =================================================================== --- linux-2.6.orig/fs/nfsd/nfs4recover.c 2008-05-06 11:04:39.000000000 +0200 +++ linux-2.6/fs/nfsd/nfs4recover.c 2008-05-06 11:04:39.000000000 +0200 @@ -252,6 +252,7 @@ out: static int nfsd4_remove_clid_file(struct dentry *dir, struct dentry *dentry) { + struct path dir_path = { .dentry = dir, .mnt = rec_dir.path.mnt }; int status; if (!S_ISREG(dir->d_inode->i_mode)) { @@ -259,7 +260,7 @@ nfsd4_remove_clid_file(struct dentry *di return -EINVAL; } mutex_lock_nested(&dir->d_inode->i_mutex, I_MUTEX_PARENT); - status = vfs_unlink(dir->d_inode, dentry); + status = path_unlink(&dir_path, dentry); mutex_unlock(&dir->d_inode->i_mutex); return status; } Index: linux-2.6/fs/nfsd/vfs.c =================================================================== --- linux-2.6.orig/fs/nfsd/vfs.c 2008-05-06 11:04:39.000000000 +0200 +++ linux-2.6/fs/nfsd/vfs.c 2008-05-06 11:04:39.000000000 +0200 @@ -1766,7 +1766,6 @@ nfsd_unlink(struct svc_rqst *rqstp, stru { struct path dir_path; struct dentry *dentry, *rdentry; - struct inode *dirp; __be32 err; int host_err; @@ -1779,7 +1778,6 @@ nfsd_unlink(struct svc_rqst *rqstp, stru fh_lock_nested(fhp, I_MUTEX_PARENT); dentry = fhp->fh_dentry; - dirp = dentry->d_inode; rdentry = lookup_one_len(fname, dentry, flen); host_err = PTR_ERR(rdentry); @@ -1795,10 +1793,6 @@ nfsd_unlink(struct svc_rqst *rqstp, stru if (!type) type = rdentry->d_inode->i_mode & S_IFMT; - host_err = mnt_want_write(fhp->fh_export->ex_path.mnt); - if (host_err) - goto out_nfserr; - fh_to_path(fhp, &dir_path); if (type != S_IFDIR) { /* It's UNLINK */ #ifdef MSNFS @@ -1807,7 +1801,7 @@ nfsd_unlink(struct svc_rqst *rqstp, stru host_err = -EPERM; } else #endif - host_err = vfs_unlink(dirp, rdentry); + host_err = path_unlink(&dir_path, rdentry); } else { /* It's RMDIR */ host_err = path_rmdir(&dir_path, rdentry); } @@ -1815,12 +1809,10 @@ nfsd_unlink(struct svc_rqst *rqstp, stru dput(rdentry); if (host_err) - goto out_drop; + goto out_nfserr; if (EX_ISSYNC(fhp->fh_export)) host_err = nfsd_sync_dir(dentry); -out_drop: - mnt_drop_write(fhp->fh_export->ex_path.mnt); out_nfserr: err = nfserrno(host_err); out: Index: linux-2.6/include/linux/fs.h =================================================================== --- linux-2.6.orig/include/linux/fs.h 2008-05-06 11:04:39.000000000 +0200 +++ linux-2.6/include/linux/fs.h 2008-05-06 11:04:39.000000000 +0200 @@ -1130,7 +1130,7 @@ extern int path_mknod(struct path *, str extern int vfs_symlink(struct inode *, struct dentry *, const char *, int); extern int vfs_link(struct dentry *, struct inode *, struct dentry *); extern int path_rmdir(struct path *, struct dentry *); -extern int vfs_unlink(struct inode *, struct dentry *); +extern int path_unlink(struct path *, struct dentry *); extern int vfs_rename(struct inode *, struct dentry *, struct inode *, struct dentry *); /* Index: linux-2.6/ipc/mqueue.c =================================================================== --- linux-2.6.orig/ipc/mqueue.c 2008-05-06 11:04:38.000000000 +0200 +++ linux-2.6/ipc/mqueue.c 2008-05-06 11:04:39.000000000 +0200 @@ -736,6 +736,7 @@ asmlinkage long sys_mq_unlink(const char char *name; struct dentry *dentry; struct inode *inode = NULL; + struct path dir_path; name = getname(u_name); if (IS_ERR(name)) @@ -757,11 +758,10 @@ asmlinkage long sys_mq_unlink(const char inode = dentry->d_inode; if (inode) atomic_inc(&inode->i_count); - err = mnt_want_write(mqueue_mnt); - if (err) - goto out_err; - err = vfs_unlink(dentry->d_parent->d_inode, dentry); - mnt_drop_write(mqueue_mnt); + + dir_path.mnt = mqueue_mnt; + dir_path.dentry = dentry->d_parent; + err = path_unlink(&dir_path, dentry); out_err: dput(dentry); -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/