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Date: Sat, 27 Oct 2012 08:33:13 -0400 From: Jeff Layton <jlayton@...hat.com> To: viro@...iv.linux.org.uk Cc: linux-fsdevel@...r.kernel.org, linux-nfs@...r.kernel.org, linux-kernel@...r.kernel.org, michael.brantley@...haw.com, hch@...radead.org, miklos@...redi.hu, pstaubach@...grid.com Subject: [PATCH v8 06/32] vfs: fix mkdir to retry on ESTALE errors Signed-off-by: Jeff Layton <jlayton@...hat.com> --- fs/namei.c | 21 ++++++++++++--------- 1 file changed, 12 insertions(+), 9 deletions(-) diff --git a/fs/namei.c b/fs/namei.c index 7b0ca39..6e8db3d 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -3250,17 +3250,20 @@ SYSCALL_DEFINE3(mkdirat, int, dfd, const char __user *, pathname, umode_t, mode) struct dentry *dentry; struct path path; int error; + unsigned int try = 0; - dentry = user_path_create(dfd, pathname, &path, true, false); - if (IS_ERR(dentry)) - return PTR_ERR(dentry); + do { + dentry = user_path_create(dfd, pathname, &path, true, false); + if (IS_ERR(dentry)) + return PTR_ERR(dentry); - if (!IS_POSIXACL(path.dentry->d_inode)) - mode &= ~current_umask(); - error = security_path_mkdir(&path, dentry, mode); - if (!error) - error = vfs_mkdir(path.dentry->d_inode, dentry, mode); - done_path_create(&path, dentry); + if (!IS_POSIXACL(path.dentry->d_inode)) + mode &= ~current_umask(); + error = security_path_mkdir(&path, dentry, mode); + if (!error) + error = vfs_mkdir(path.dentry->d_inode, dentry, mode); + done_path_create(&path, dentry); + } while (retry_estale(error, try++)); return error; } -- 1.7.11.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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