Messages in this thread Patch in this message | | | From | Jeff Layton <> | Subject | [PATCH v6 06/20] vfs: fix mkdir to retry on ESTALE errors | Date | Fri, 7 Sep 2012 10:18:13 -0400 |
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Signed-off-by: Jeff Layton <jlayton@redhat.com> --- fs/namei.c | 21 ++++++++++++--------- 1 file changed, 12 insertions(+), 9 deletions(-)
diff --git a/fs/namei.c b/fs/namei.c index 11fc388..9068375 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -3249,17 +3249,20 @@ 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; } -- 1.7.11.4
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