diff options
Diffstat (limited to 'fs/btrfs/file.c')
| -rw-r--r-- | fs/btrfs/file.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 4bca37fd6833..78c3ef68caa3 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1910,6 +1910,8 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) goto out_release_extents; } + btrfs_init_log_ctx_scratch_eb(&ctx); + /* * We use start here because we will need to wait on the IO to complete * in btrfs_sync_log, which could require joining a transaction (for @@ -1929,6 +1931,15 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) trans->in_fsync = true; ret = btrfs_log_dentry_safe(trans, dentry, &ctx); + /* + * Scratch eb no longer needed, release before syncing log or commit + * transaction, to avoid holding unnecessary memory during such long + * operations. + */ + if (ctx.scratch_eb) { + free_extent_buffer(ctx.scratch_eb); + ctx.scratch_eb = NULL; + } btrfs_release_log_ctx_extents(&ctx); if (ret < 0) { /* Fallthrough and commit/free transaction. */ @@ -2004,6 +2015,7 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) ret = btrfs_commit_transaction(trans); out: + free_extent_buffer(ctx.scratch_eb); ASSERT(list_empty(&ctx.list)); ASSERT(list_empty(&ctx.conflict_inodes)); err = file_check_and_advance_wb_err(file); |