Re: [PATCH 09/24] elevate mnt writers for callers of vfs_mkdir()
On Mon, Sep 17, 2007 at 11:27:29AM -0700, Dave Hansen wrote: > > Pretty self-explanatory. Fits in with the rest of the series. Ok. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 09/24] elevate mnt writers for callers of vfs_mkdir()
On Mon, Sep 17, 2007 at 11:27:29AM -0700, Dave Hansen wrote: Pretty self-explanatory. Fits in with the rest of the series. Ok. - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH 09/24] elevate mnt writers for callers of vfs_mkdir()
Pretty self-explanatory. Fits in with the rest of the series.
Signed-off-by: Dave Hansen <[EMAIL PROTECTED]>
---
lxc-dave/fs/namei.c|5 +
lxc-dave/fs/nfsd/nfs4recover.c |4
2 files changed, 9 insertions(+)
diff -puN fs/namei.c~elevate-mnt-writers-for-callers-of-vfs-mkdir fs/namei.c
--- lxc/fs/namei.c~elevate-mnt-writers-for-callers-of-vfs-mkdir 2007-09-17
09:44:01.0 -0700
+++ lxc-dave/fs/namei.c 2007-09-17 09:44:01.0 -0700
@@ -2051,7 +2051,12 @@ asmlinkage long sys_mkdirat(int dfd, con
if (!IS_POSIXACL(nd.dentry->d_inode))
mode &= ~current->fs->umask;
+ error = mnt_want_write(nd.mnt);
+ if (error)
+ goto out_dput;
error = vfs_mkdir(nd.dentry->d_inode, dentry, mode);
+ mnt_drop_write(nd.mnt);
+out_dput:
dput(dentry);
out_unlock:
mutex_unlock(>d_inode->i_mutex);
diff -puN fs/nfsd/nfs4recover.c~elevate-mnt-writers-for-callers-of-vfs-mkdir
fs/nfsd/nfs4recover.c
--- lxc/fs/nfsd/nfs4recover.c~elevate-mnt-writers-for-callers-of-vfs-mkdir
2007-09-17 09:44:01.0 -0700
+++ lxc-dave/fs/nfsd/nfs4recover.c 2007-09-17 09:44:01.0 -0700
@@ -156,7 +156,11 @@ nfsd4_create_clid_dir(struct nfs4_client
dprintk("NFSD: nfsd4_create_clid_dir: DIRECTORY EXISTS\n");
goto out_put;
}
+ status = mnt_want_write(rec_dir.mnt);
+ if (status)
+ goto out_put;
status = vfs_mkdir(rec_dir.dentry->d_inode, dentry, S_IRWXU);
+ mnt_drop_write(rec_dir.mnt);
out_put:
dput(dentry);
out_unlock:
_
-
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Please read the FAQ at http://www.tux.org/lkml/
[PATCH 09/24] elevate mnt writers for callers of vfs_mkdir()
Pretty self-explanatory. Fits in with the rest of the series. Signed-off-by: Dave Hansen [EMAIL PROTECTED] --- lxc-dave/fs/namei.c|5 + lxc-dave/fs/nfsd/nfs4recover.c |4 2 files changed, 9 insertions(+) diff -puN fs/namei.c~elevate-mnt-writers-for-callers-of-vfs-mkdir fs/namei.c --- lxc/fs/namei.c~elevate-mnt-writers-for-callers-of-vfs-mkdir 2007-09-17 09:44:01.0 -0700 +++ lxc-dave/fs/namei.c 2007-09-17 09:44:01.0 -0700 @@ -2051,7 +2051,12 @@ asmlinkage long sys_mkdirat(int dfd, con if (!IS_POSIXACL(nd.dentry-d_inode)) mode = ~current-fs-umask; + error = mnt_want_write(nd.mnt); + if (error) + goto out_dput; error = vfs_mkdir(nd.dentry-d_inode, dentry, mode); + mnt_drop_write(nd.mnt); +out_dput: dput(dentry); out_unlock: mutex_unlock(nd.dentry-d_inode-i_mutex); diff -puN fs/nfsd/nfs4recover.c~elevate-mnt-writers-for-callers-of-vfs-mkdir fs/nfsd/nfs4recover.c --- lxc/fs/nfsd/nfs4recover.c~elevate-mnt-writers-for-callers-of-vfs-mkdir 2007-09-17 09:44:01.0 -0700 +++ lxc-dave/fs/nfsd/nfs4recover.c 2007-09-17 09:44:01.0 -0700 @@ -156,7 +156,11 @@ nfsd4_create_clid_dir(struct nfs4_client dprintk(NFSD: nfsd4_create_clid_dir: DIRECTORY EXISTS\n); goto out_put; } + status = mnt_want_write(rec_dir.mnt); + if (status) + goto out_put; status = vfs_mkdir(rec_dir.dentry-d_inode, dentry, S_IRWXU); + mnt_drop_write(rec_dir.mnt); out_put: dput(dentry); out_unlock: _ - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
