[lustre-devel] [PATCH 132/151] lustre: llite: Add exit for filedata allocation failed
James Simmons
jsimmons at infradead.org
Mon Sep 30 11:56:31 PDT 2019
From: Ben Evans <bevans at cray.com>
When the filedata allocation fails, we need to exit to
a later point than out_openerr, which calls
deauthorize_statahead and ll_file_data_put, neither of
which is valid. (This leads to a panic.)
WC-bug-id: https://jira.whamcloud.com/browse/LU-10662
Cray-bug-id: LUS-1321
Lustre-commit: d9edfa50683a ('LU-10662 llite: Add exit for filedata allocation failed")
Signed-off-by: Ben Evans <bevans at cray.com>
Reviewed-on: https://review.whamcloud.com/31296
Reviewed-by: Patrick Farrell <pfarrell at whamcloud.com>
Reviewed-by: Alexandr Boyko <c17825 at cray.com>
Reviewed-by: Oleg Drokin <green at whamcloud.com>
Signed-off-by: James Simmons <jsimmons at infradead.org>
---
fs/lustre/llite/file.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/lustre/llite/file.c b/fs/lustre/llite/file.c
index da5bf86..6732b68 100644
--- a/fs/lustre/llite/file.c
+++ b/fs/lustre/llite/file.c
@@ -540,7 +540,7 @@ int ll_file_open(struct inode *inode, struct file *file)
fd = ll_file_data_get();
if (!fd) {
rc = -ENOMEM;
- goto out_openerr;
+ goto out_nofiledata;
}
fd->fd_file = file;
@@ -723,6 +723,7 @@ int ll_file_open(struct inode *inode, struct file *file)
ll_stats_ops_tally(ll_i2sbi(inode), LPROC_LL_OPEN, 1);
}
+out_nofiledata:
if (it && it_disposition(it, DISP_ENQ_OPEN_REF)) {
ptlrpc_req_finished(it->it_request);
it_clear_disposition(it, DISP_ENQ_OPEN_REF);
--
1.8.3.1
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