LU-13187 osd-ldiskfs: don't enforce max dir size limit on IAM objects

[fs/lustre-release.git] / ldiskfs / kernel_patches / patches / base / ext4-no-max-dir-size-limit-for-iam-objects.patch

diff --git a/ldiskfs/kernel_patches/patches/base/ext4-no-max-dir-size-limit-for-iam-objects.patch b/ldiskfs/kernel_patches/patches/base/ext4-no-max-dir-size-limit-for-iam-objects.patch
new file mode 100644 (file)
index 0000000..d5c83bb
--- /dev/null
+++ b/ldiskfs/kernel_patches/patches/base/ext4-no-max-dir-size-limit-for-iam-objects.patch
@@ -0,0 +1,29 @@
+Index: linux-3.10.0-957.27.2.el7/fs/ext4/ext4.h
+===================================================================
+--- linux-3.10.0-957.27.2.el7.orig/fs/ext4/ext4.h
++++ linux-3.10.0-957.27.2.el7/fs/ext4/ext4.h
+@@ -1539,6 +1539,7 @@ enum {
+       EXT4_STATE_NO_EXPAND,           /* No space for expansion */
+       EXT4_STATE_DA_ALLOC_CLOSE,      /* Alloc DA blks on close */
+       EXT4_STATE_EXT_MIGRATE,         /* Inode is migrating */
++      EXT4_STATE_IAM,                 /* Lustre IAM objects */
+       EXT4_STATE_DIO_UNWRITTEN,       /* need convert on dio done*/
+       EXT4_STATE_NEWENTRY,            /* File just added to dir */
+       EXT4_STATE_DIOREAD_LOCK,        /* Disable support for dio read
+Index: linux-3.10.0-957.27.2.el7/fs/ext4/namei.c
+===================================================================
+--- linux-3.10.0-957.27.2.el7.orig/fs/ext4/namei.c
++++ linux-3.10.0-957.27.2.el7/fs/ext4/namei.c
+@@ -58,8 +58,10 @@ struct buffer_head *ext4_append(handle_t
+ 
+       if (unlikely(EXT4_SB(inode->i_sb)->s_max_dir_size_kb &&
+                    ((inode->i_size >> 10) >=
+-                    EXT4_SB(inode->i_sb)->s_max_dir_size_kb)))
+-              return ERR_PTR(-ENOSPC);
++                    EXT4_SB(inode->i_sb)->s_max_dir_size_kb))) {
++              if (!ext4_test_inode_state(inode, EXT4_STATE_IAM))
++                      return ERR_PTR(-ENOSPC);
++      }
+ 
+       /* with parallel dir operations all appends
+       * have to be serialized -bzzz */