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authorFilipe David Borba Manana <fdmanana@gmail.com>2013-08-08 22:45:48 +0100
committerDavid Sterba <dsterba@suse.cz>2014-10-02 17:29:24 +0200
commit95ac567af212db3293af3897ccb521efdf1dd7ff (patch)
treefaed6311cacc75c0aca34203b4674690d56bb448 /fs/btrfs
parent143f363618558478fd7b5156c343d21e74194987 (diff)
downloadop-kernel-dev-95ac567af212db3293af3897ccb521efdf1dd7ff.zip
op-kernel-dev-95ac567af212db3293af3897ccb521efdf1dd7ff.tar.gz
Btrfs: set default max_inline to 8KiB instead of 8MiB
8MiB is way too large and likely set by mistake. This is not a significant issue as in practice the max amount of data added to an inline extent is also limited by the page cache and btree leaf sizes. Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com> Reviewed-by: David Sterba <dsterba@suse.cz> Signed-off-by: David Sterba <dsterba@suse.cz>
Diffstat (limited to 'fs/btrfs')
-rw-r--r--fs/btrfs/ctree.h1
-rw-r--r--fs/btrfs/disk-io.c2
-rw-r--r--fs/btrfs/super.c2
3 files changed, 3 insertions, 2 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 089f6da..dd79ba7 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2089,6 +2089,7 @@ struct btrfs_ioctl_defrag_range_args {
#define BTRFS_MOUNT_CHANGE_INODE_CACHE (1 << 24)
#define BTRFS_DEFAULT_COMMIT_INTERVAL (30)
+#define BTRFS_DEFAULT_MAX_INLINE (8192)
#define btrfs_clear_opt(o, opt) ((o) &= ~BTRFS_MOUNT_##opt)
#define btrfs_set_opt(o, opt) ((o) |= BTRFS_MOUNT_##opt)
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 4780e66..9b2a741 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2260,7 +2260,7 @@ int open_ctree(struct super_block *sb,
atomic_set(&fs_info->qgroup_op_seq, 0);
atomic64_set(&fs_info->tree_mod_seq, 0);
fs_info->sb = sb;
- fs_info->max_inline = 8192 * 1024;
+ fs_info->max_inline = BTRFS_DEFAULT_MAX_INLINE;
fs_info->metadata_ratio = 0;
fs_info->defrag_inodes = RB_ROOT;
fs_info->free_chunk_space = 0;
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 1c6da8e..b1d2a42 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1014,7 +1014,7 @@ static int btrfs_show_options(struct seq_file *seq, struct dentry *dentry)
seq_puts(seq, ",nodatacow");
if (btrfs_test_opt(root, NOBARRIER))
seq_puts(seq, ",nobarrier");
- if (info->max_inline != 8192 * 1024)
+ if (info->max_inline != BTRFS_DEFAULT_MAX_INLINE)
seq_printf(seq, ",max_inline=%llu", info->max_inline);
if (info->alloc_start != 0)
seq_printf(seq, ",alloc_start=%llu", info->alloc_start);
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