Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 387a2cf..63940a7 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -207,44 +207,39 @@
static int
nfs_file_fsync_commit(struct file *file, int datasync)
{
- struct nfs_open_context *ctx = nfs_file_open_context(file);
struct inode *inode = file_inode(file);
- int do_resend, status;
- int ret = 0;
+ int ret;
dprintk("NFS: fsync file(%pD2) datasync %d\n", file, datasync);
nfs_inc_stats(inode, NFSIOS_VFSFSYNC);
- do_resend = test_and_clear_bit(NFS_CONTEXT_RESEND_WRITES, &ctx->flags);
- status = nfs_commit_inode(inode, FLUSH_SYNC);
- if (status == 0)
- status = file_check_and_advance_wb_err(file);
- if (status < 0) {
- ret = status;
- goto out;
- }
- do_resend |= test_bit(NFS_CONTEXT_RESEND_WRITES, &ctx->flags);
- if (do_resend)
- ret = -EAGAIN;
-out:
- return ret;
+ ret = nfs_commit_inode(inode, FLUSH_SYNC);
+ if (ret < 0)
+ return ret;
+ return file_check_and_advance_wb_err(file);
}
int
nfs_file_fsync(struct file *file, loff_t start, loff_t end, int datasync)
{
- int ret;
+ struct nfs_open_context *ctx = nfs_file_open_context(file);
struct inode *inode = file_inode(file);
+ int ret;
trace_nfs_fsync_enter(inode);
- do {
+ for (;;) {
ret = file_write_and_wait_range(file, start, end);
if (ret != 0)
break;
ret = nfs_file_fsync_commit(file, datasync);
- if (!ret)
- ret = pnfs_sync_inode(inode, !!datasync);
+ if (ret != 0)
+ break;
+ ret = pnfs_sync_inode(inode, !!datasync);
+ if (ret != 0)
+ break;
+ if (!test_and_clear_bit(NFS_CONTEXT_RESEND_WRITES, &ctx->flags))
+ break;
/*
* If nfs_file_fsync_commit detected a server reboot, then
* resend all dirty pages that might have been covered by
@@ -252,7 +247,7 @@
*/
start = 0;
end = LLONG_MAX;
- } while (ret == -EAGAIN);
+ }
trace_nfs_fsync_exit(inode, ret);
return ret;
@@ -492,7 +487,19 @@
static int nfs_swap_activate(struct swap_info_struct *sis, struct file *file,
sector_t *span)
{
+ unsigned long blocks;
+ long long isize;
struct rpc_clnt *clnt = NFS_CLIENT(file->f_mapping->host);
+ struct inode *inode = file->f_mapping->host;
+
+ spin_lock(&inode->i_lock);
+ blocks = inode->i_blocks;
+ isize = inode->i_size;
+ spin_unlock(&inode->i_lock);
+ if (blocks*512 < isize) {
+ pr_warn("swap activate: swapfile has holes\n");
+ return -EINVAL;
+ }
*span = sis->pages;
@@ -658,7 +665,7 @@
out_swapfile:
printk(KERN_INFO "NFS: attempt to write to active swap file!\n");
- return -EBUSY;
+ return -ETXTBSY;
}
EXPORT_SYMBOL_GPL(nfs_file_write);