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authorJohn Crispin <john@phrozen.org>2016-12-25 20:11:34 +0100
committerJohn Crispin <john@phrozen.org>2017-08-05 08:46:36 +0200
commit74d00a8c3849c1340efd713eb94b786e304c201f (patch)
treede481743de61c34da96ab5f9dba3af3edcfb8260 /target/linux/generic/patches-4.4/052-01-ubifs-Implement-O_TMPFILE.patch
parentde350550ef648d9728351b986b0516fa29465c45 (diff)
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kernel: split patches folder up into backport, pending and hack folders
* properly format/comment all patches * merge debloat patches * merge Kconfig patches * merge swconfig patches * merge hotplug patches * drop 200-fix_localversion.patch - upstream * drop 222-arm_zimage_none.patch - unused * drop 252-mv_cesa_depends.patch - no longer required * drop 410-mtd-move-forward-declaration-of-struct-mtd_info.patch - unused * drop 661-fq_codel_keep_dropped_stats.patch - outdated * drop 702-phy_add_aneg_done_function.patch - upstream * drop 840-rtc7301.patch - unused * drop 841-rtc_pt7c4338.patch - upstream * drop 921-use_preinit_as_init.patch - unused * drop spio-gpio-old and gpio-mmc - unused Signed-off-by: John Crispin <john@phrozen.org>
Diffstat (limited to 'target/linux/generic/patches-4.4/052-01-ubifs-Implement-O_TMPFILE.patch')
-rw-r--r--target/linux/generic/patches-4.4/052-01-ubifs-Implement-O_TMPFILE.patch99
1 files changed, 0 insertions, 99 deletions
diff --git a/target/linux/generic/patches-4.4/052-01-ubifs-Implement-O_TMPFILE.patch b/target/linux/generic/patches-4.4/052-01-ubifs-Implement-O_TMPFILE.patch
deleted file mode 100644
index 1c55a89acf..0000000000
--- a/target/linux/generic/patches-4.4/052-01-ubifs-Implement-O_TMPFILE.patch
+++ /dev/null
@@ -1,99 +0,0 @@
-From: Richard Weinberger <richard@nod.at>
-Date: Tue, 13 Sep 2016 16:18:55 +0200
-Subject: [PATCH] ubifs: Implement O_TMPFILE
-
-This patchs adds O_TMPFILE support to UBIFS.
-A temp file is a reference to an unlinked inode, a user
-holding the reference can use it. As soon it is being closed
-all data vanishes.
-
-Signed-off-by: Richard Weinberger <richard@nod.at>
----
-
---- a/fs/ubifs/dir.c
-+++ b/fs/ubifs/dir.c
-@@ -301,6 +301,76 @@ out_budg:
- return err;
- }
-
-+static int ubifs_tmpfile(struct inode *dir, struct dentry *dentry,
-+ umode_t mode)
-+{
-+ struct inode *inode;
-+ struct ubifs_info *c = dir->i_sb->s_fs_info;
-+ struct ubifs_budget_req req = { .new_ino = 1, .new_dent = 1};
-+ struct ubifs_budget_req ino_req = { .dirtied_ino = 1 };
-+ struct ubifs_inode *ui, *dir_ui = ubifs_inode(dir);
-+ int err, instantiated = 0;
-+
-+ /*
-+ * Budget request settings: new dirty inode, new direntry,
-+ * budget for dirtied inode will be released via writeback.
-+ */
-+
-+ dbg_gen("dent '%pd', mode %#hx in dir ino %lu",
-+ dentry, mode, dir->i_ino);
-+
-+ err = ubifs_budget_space(c, &req);
-+ if (err)
-+ return err;
-+
-+ err = ubifs_budget_space(c, &ino_req);
-+ if (err) {
-+ ubifs_release_budget(c, &req);
-+ return err;
-+ }
-+
-+ inode = ubifs_new_inode(c, dir, mode);
-+ if (IS_ERR(inode)) {
-+ err = PTR_ERR(inode);
-+ goto out_budg;
-+ }
-+ ui = ubifs_inode(inode);
-+
-+ err = ubifs_init_security(dir, inode, &dentry->d_name);
-+ if (err)
-+ goto out_inode;
-+
-+ mutex_lock(&ui->ui_mutex);
-+ insert_inode_hash(inode);
-+ d_tmpfile(dentry, inode);
-+ ubifs_assert(ui->dirty);
-+ instantiated = 1;
-+ mutex_unlock(&ui->ui_mutex);
-+
-+ mutex_lock(&dir_ui->ui_mutex);
-+ err = ubifs_jnl_update(c, dir, &dentry->d_name, inode, 1, 0);
-+ if (err)
-+ goto out_cancel;
-+ mutex_unlock(&dir_ui->ui_mutex);
-+
-+ ubifs_release_budget(c, &req);
-+
-+ return 0;
-+
-+out_cancel:
-+ mutex_unlock(&dir_ui->ui_mutex);
-+out_inode:
-+ make_bad_inode(inode);
-+ if (!instantiated)
-+ iput(inode);
-+out_budg:
-+ ubifs_release_budget(c, &req);
-+ if (!instantiated)
-+ ubifs_release_budget(c, &ino_req);
-+ ubifs_err(c, "cannot create temporary file, error %d", err);
-+ return err;
-+}
-+
- /**
- * vfs_dent_type - get VFS directory entry type.
- * @type: UBIFS directory entry type
-@@ -1195,6 +1265,7 @@ const struct inode_operations ubifs_dir_
- #ifdef CONFIG_UBIFS_ATIME_SUPPORT
- .update_time = ubifs_update_time,
- #endif
-+ .tmpfile = ubifs_tmpfile,
- };
-
- const struct file_operations ubifs_dir_operations = {