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LU-6911 ldiskfs: mds crash kernel at fs/inode.c:1358
[fs/lustre-release.git] / ldiskfs / kernel_patches / patches / rhel6.3 / ext4-large-eas.patch
index 955d223..5981307 100644 (file)
@@ -2,7 +2,7 @@ Index: linux-stage/fs/ext4/ext4.h
 ===================================================================
 --- linux-stage.orig/fs/ext4/ext4.h
 +++ linux-stage/fs/ext4/ext4.h
-@@ -1333,6 +1333,7 @@ EXT4_INODE_BIT_FNS(state, state_flags)
+@@ -1329,6 +1329,7 @@ EXT4_INODE_BIT_FNS(state, state_flags)
  #define EXT4_FEATURE_INCOMPAT_64BIT           0x0080
  #define EXT4_FEATURE_INCOMPAT_MMP               0x0100
  #define EXT4_FEATURE_INCOMPAT_FLEX_BG         0x0200
@@ -10,7 +10,7 @@ Index: linux-stage/fs/ext4/ext4.h
  #define EXT4_FEATURE_INCOMPAT_DIRDATA         0x1000
  
  #define EXT4_FEATURE_COMPAT_SUPP      EXT2_FEATURE_COMPAT_EXT_ATTR
-@@ -1342,6 +1343,7 @@ EXT4_INODE_BIT_FNS(state, state_flags)
+@@ -1338,6 +1339,7 @@ EXT4_INODE_BIT_FNS(state, state_flags)
                                         EXT4_FEATURE_INCOMPAT_EXTENTS| \
                                         EXT4_FEATURE_INCOMPAT_64BIT| \
                                         EXT4_FEATURE_INCOMPAT_FLEX_BG| \
@@ -18,8 +18,8 @@ Index: linux-stage/fs/ext4/ext4.h
                                         EXT4_FEATURE_INCOMPAT_MMP| \
                                         EXT4_FEATURE_INCOMPAT_DIRDATA)
  
-@@ -1706,6 +1708,12 @@ struct mmpd_data {
- #endif
+@@ -1695,6 +1697,12 @@ struct mmpd_data {
+ #define EXT4_MMP_MAX_CHECK_INTERVAL    300UL
  
  /*
 + * Maximum size of xattr attributes for FEATURE_INCOMPAT_EA_INODE 1Mb
@@ -31,7 +31,7 @@ Index: linux-stage/fs/ext4/ext4.h
   * Function prototypes
   */
  
-@@ -1717,6 +1725,10 @@ struct mmpd_data {
+@@ -1706,6 +1714,10 @@ struct mmpd_data {
  # define ATTRIB_NORET __attribute__((noreturn))
  # define NORET_AND    noreturn,
  
@@ -589,7 +589,7 @@ Index: linux-stage/fs/ext4/xattr.c
                        if (error)
                                goto cleanup;
                        if (!is.s.not_found) {
-@@ -1088,10 +1384,25 @@ ext4_xattr_set(struct inode *inode, int 
+@@ -1087,10 +1383,25 @@ ext4_xattr_set(struct inode *inode, int 
               const void *value, size_t value_len, int flags)
  {
        handle_t *handle;
@@ -616,7 +616,7 @@ Index: linux-stage/fs/ext4/xattr.c
        if (IS_ERR(handle)) {
                error = PTR_ERR(handle);
        } else {
-@@ -1101,7 +1412,7 @@ retry:
+@@ -1100,7 +1411,7 @@ retry:
                                              value, value_len, flags);
                error2 = ext4_journal_stop(handle);
                if (error == -ENOSPC &&
@@ -625,7 +625,7 @@ Index: linux-stage/fs/ext4/xattr.c
                        goto retry;
                if (error == 0)
                        error = error2;
-@@ -1123,7 +1434,7 @@ static void ext4_xattr_shift_entries(str
+@@ -1122,7 +1433,7 @@ static void ext4_xattr_shift_entries(str
  
        /* Adjust the value offsets of the entries */
        for (; !IS_LAST_ENTRY(last); last = EXT4_XATTR_NEXT(last)) {
@@ -634,11 +634,10 @@ Index: linux-stage/fs/ext4/xattr.c
                        new_offs = le16_to_cpu(last->e_value_offs) +
                                                        value_offs_shift;
                        BUG_ON(new_offs + le32_to_cpu(last->e_value_size)
-@@ -1356,20 +1667,89 @@ cleanup:
+@@ -1355,22 +1666,135 @@ cleanup:
        return error;
  }
  
--
 +#define EIA_INCR 16 /* must be 2^n */
 +#define EIA_MASK (EIA_INCR - 1)
 +/* Add the large xattr @ino into @lea_ino_array for later deletion.
@@ -682,6 +681,43 @@ Index: linux-stage/fs/ext4/xattr.c
 +      return 0;
 +}
  
++/**
++ * Add xattr inode to orphan list
++ */
++static int
++ext4_xattr_inode_orphan_add(handle_t *handle, struct inode *inode,
++                      int credits, struct ext4_xattr_ino_array *lea_ino_array)
++{
++      struct inode *ea_inode = NULL;
++      int idx = 0, error = 0;
++
++      if (lea_ino_array == NULL)
++              return 0;
++
++      for (; idx < lea_ino_array->xia_count; ++idx) {
++              if (!ext4_handle_has_enough_credits(handle, credits)) {
++                      error = ext4_journal_extend(handle, credits);
++                      if (error > 0)
++                              error = ext4_journal_restart(handle, credits);
++
++                      if (error != 0) {
++                              ext4_warning(inode->i_sb,
++                                      "couldn't extend journal "
++                                      "(err %d)", error);
++                              return error;
++                      }
++              }
++              ea_inode = ext4_xattr_inode_iget(inode,
++                              lea_ino_array->xia_inodes[idx], &error);
++              if (error)
++                      continue;
++              ext4_orphan_add(handle, ea_inode);
++              /* the inode's i_count will be released by caller */
++      }
++
++      return 0;
++}
  /*
   * ext4_xattr_delete_inode()
   *
@@ -705,8 +741,9 @@ Index: linux-stage/fs/ext4/xattr.c
 +      struct ext4_inode *raw_inode;
 +      struct ext4_iloc iloc;
 +      struct ext4_xattr_entry *entry;
-+      int error = 0;
-+
++      int credits = 3, error = 0;
+-      if (!EXT4_I(inode)->i_file_acl)
 +      if (!ext4_test_inode_state(inode, EXT4_STATE_XATTR))
 +              goto delete_external_ea;
 +
@@ -720,16 +757,25 @@ Index: linux-stage/fs/ext4/xattr.c
 +              if (entry->e_value_inum == 0)
 +                      continue;
 +              if (ext4_expand_ino_array(lea_ino_array,
-+                                        entry->e_value_inum) != 0)
++                                        entry->e_value_inum) != 0) {
++                      brelse(iloc.bh);
 +                      goto cleanup;
++              }
 +              entry->e_value_inum = 0;
 +      }
++      brelse(iloc.bh);
++
 +delete_external_ea:
-       if (!EXT4_I(inode)->i_file_acl)
++      if (!EXT4_I(inode)->i_file_acl) {
++              /* add xattr inode to orphan list */
++              ext4_xattr_inode_orphan_add(handle, inode, credits,
++                                              *lea_ino_array);
                goto cleanup;
++      }
        bh = sb_bread(inode->i_sb, EXT4_I(inode)->i_file_acl);
-@@ -1384,11 +1764,74 @@ ext4_xattr_delete_inode(handle_t *handle
+       if (!bh) {
+               ext4_error(inode->i_sb, "inode %lu: block %llu read error",
+@@ -1383,11 +1807,71 @@ ext4_xattr_delete_inode(handle_t *handle
                           inode->i_ino, EXT4_I(inode)->i_file_acl);
                goto cleanup;
        }
@@ -745,28 +791,22 @@ Index: linux-stage/fs/ext4/xattr.c
 +      }
 +
 +      /* add xattr inode to orphan list */
-+      if (*lea_ino_array != NULL) {
-+              struct inode *ea_inode = NULL;
-+              int idx = 0;
-+
-+              for (; idx < (*lea_ino_array)->xia_count; ++idx) {
-+                      if (!ext4_handle_has_enough_credits(handle, 3)) {
-+                              error = ext4_journal_extend(handle, 3);
-+                              if (error > 0)
-+                                      error = ext4_journal_restart(handle, 3);
-+                              if (error != 0) {
-+                                      ext4_warning(inode->i_sb,
-+                                              "couldn't extend journal "
-+                                              "(err %d)", error);
-+                                      goto cleanup;
-+                              }
-+                      }
-+                      ea_inode = ext4_xattr_inode_iget(inode,
-+                              (*lea_ino_array)->xia_inodes[idx], &error);
-+                      if (error)
-+                              continue;
-+                      ext4_orphan_add(handle, ea_inode);
-+                      /* the inode's i_count will be released by caller */
++      error = ext4_xattr_inode_orphan_add(handle, inode, credits,
++                                      *lea_ino_array);
++      if (error != 0)
++              goto cleanup;
++
++      if (!IS_NOQUOTA(inode))
++              credits += 2 * EXT4_QUOTA_DEL_BLOCKS(inode->i_sb);
++
++      if (!ext4_handle_has_enough_credits(handle, credits)) {
++              error = ext4_journal_extend(handle, credits);
++              if (error > 0)
++                      error = ext4_journal_restart(handle, credits);
++              if (error != 0) {
++                      ext4_warning(inode->i_sb,
++                              "couldn't extend journal (err %d)", error);
++                      goto cleanup;
 +              }
 +      }
 +
@@ -795,16 +835,19 @@ Index: linux-stage/fs/ext4/xattr.c
 +                              lea_ino_array->xia_inodes[idx], &err);
 +              if (err)
 +                      continue;
-+              ea_inode->i_nlink = 0;
-+              iput(ea_inode);
++
 +              /* for inode's i_count get from ext4_xattr_delete_inode */
++              if (!list_empty(&EXT4_I(ea_inode)->i_orphan))
++                      iput(ea_inode);
++
++              ea_inode->i_nlink = 0;
 +              iput(ea_inode);
 +      }
 +      kfree(lea_ino_array);
  }
  
  /*
-@@ -1458,10 +1901,9 @@ ext4_xattr_cmp(struct ext4_xattr_header 
+@@ -1457,10 +1941,9 @@ ext4_xattr_cmp(struct ext4_xattr_header 
                    entry1->e_name_index != entry2->e_name_index ||
                    entry1->e_name_len != entry2->e_name_len ||
                    entry1->e_value_size != entry2->e_value_size ||
@@ -816,7 +859,7 @@ Index: linux-stage/fs/ext4/xattr.c
                if (memcmp((char *)header1 + le16_to_cpu(entry1->e_value_offs),
                           (char *)header2 + le16_to_cpu(entry2->e_value_offs),
                           le32_to_cpu(entry1->e_value_size)))
-@@ -1546,7 +1988,7 @@ static inline void ext4_xattr_hash_entry
+@@ -1545,7 +2028,7 @@ static inline void ext4_xattr_hash_entry
                       *name++;
        }
  
@@ -887,26 +930,26 @@ Index: linux-stage/fs/ext4/inode.c
 ===================================================================
 --- linux-stage.orig/fs/ext4/inode.c
 +++ linux-stage/fs/ext4/inode.c
-@@ -223,6 +223,7 @@ void ext4_delete_inode(struct inode *ino
+@@ -222,6 +222,8 @@ void ext4_delete_inode(struct inode *ino
+ {
        handle_t *handle;
        int err;
-       int extra_credits = 3;
++      int extra_credits = 3;
 +      struct ext4_xattr_ino_array *lea_ino_array = NULL;
  
        if (ext4_should_order_data(inode))
                ext4_begin_ordered_truncate(inode, 0);
-@@ -238,8 +239,8 @@ void ext4_delete_inode(struct inode *ino
+@@ -235,7 +237,8 @@ void ext4_delete_inode(struct inode *ino
         * protection against it
         */
        sb_start_intwrite(inode->i_sb);
--      handle = ext4_journal_start(inode,
--                      blocks_for_truncate(inode) + extra_credits);
+-      handle = ext4_journal_start(inode, blocks_for_truncate(inode)+3);
 +
 +      handle = ext4_journal_start(inode, extra_credits);
        if (IS_ERR(handle)) {
                ext4_std_error(inode->i_sb, PTR_ERR(handle));
                /*
-@@ -251,9 +252,33 @@ void ext4_delete_inode(struct inode *ino
+@@ -247,9 +250,36 @@ void ext4_delete_inode(struct inode *ino
                sb_end_intwrite(inode->i_sb);
                goto no_delete;
        }
@@ -924,6 +967,9 @@ Index: linux-stage/fs/ext4/inode.c
 +              goto stop_handle;
 +      }
 +
++      if (!IS_NOQUOTA(inode))
++              extra_credits += 2 * EXT4_QUOTA_DEL_BLOCKS(inode->i_sb);
++
 +      if (!ext4_handle_has_enough_credits(handle,
 +                              blocks_for_truncate(inode) + extra_credits)) {
 +              err = ext4_journal_extend(handle,
@@ -941,7 +987,7 @@ Index: linux-stage/fs/ext4/inode.c
        inode->i_size = 0;
        err = ext4_mark_inode_dirty(handle, inode);
        if (err) {
-@@ -307,8 +332,12 @@ void ext4_delete_inode(struct inode *ino
+@@ -303,8 +333,12 @@ void ext4_delete_inode(struct inode *ino
                clear_inode(inode);
        else
                ext4_free_inode(handle, inode);