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authorTrond Myklebust <trond.myklebust@primarydata.com>2015-08-06 00:31:58 +0300
committerTrond Myklebust <trond.myklebust@primarydata.com>2015-08-12 21:27:23 +0300
commitc8ad8894e92b853df5a766061ee9cde7e10e682f (patch)
tree34c11df15215ae0ad18a69ef82ee26d08c58a7b6 /fs/nfs/flexfilelayout
parentd099d7b8316f3ebd63472d207c4801a464330016 (diff)
downloadlinux-c8ad8894e92b853df5a766061ee9cde7e10e682f.tar.xz
NFSv4.2/pnfs: Use GFP_NOIO for layoutstat reporting in the writeback path
Prevent a potential deadlock. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/flexfilelayout')
-rw-r--r--fs/nfs/flexfilelayout/flexfilelayout.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c
index ba74b15bf0ba..2a93bec7e6dd 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.c
+++ b/fs/nfs/flexfilelayout/flexfilelayout.c
@@ -510,7 +510,8 @@ nfs4_ff_layout_stat_io_start_read(struct nfs4_ff_layout_mirror *mirror,
spin_unlock(&mirror->lock);
if (report)
- pnfs_report_layoutstat(mirror->lseg->pls_layout->plh_inode);
+ pnfs_report_layoutstat(mirror->lseg->pls_layout->plh_inode,
+ GFP_KERNEL);
}
static void
@@ -538,7 +539,8 @@ nfs4_ff_layout_stat_io_start_write(struct nfs4_ff_layout_mirror *mirror,
spin_unlock(&mirror->lock);
if (report)
- pnfs_report_layoutstat(mirror->lseg->pls_layout->plh_inode);
+ pnfs_report_layoutstat(mirror->lseg->pls_layout->plh_inode,
+ GFP_NOIO);
}
static void