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authorEric Biggers <ebiggers@google.com>2019-12-10 02:36:02 +0300
committerTheodore Ts'o <tytso@mit.edu>2020-01-18 00:24:52 +0300
commit46797ad75af747652545f69240fdc78743446ac3 (patch)
treeeee7b0325d009513dcb7875c3648cd57015189e9 /fs/ext4/ext4_jbd2.c
parent64c314ff822786b4634bb5cfe91ed5a34ba8743e (diff)
downloadlinux-46797ad75af747652545f69240fdc78743446ac3.tar.xz
ext4: uninline ext4_inode_journal_mode()
Determining an inode's journaling mode has gotten more complicated over time. Move ext4_inode_journal_mode() from an inline function into ext4_jbd2.c to reduce the compiled code size. Signed-off-by: Eric Biggers <ebiggers@google.com> Link: https://lore.kernel.org/r/20191209233602.117778-1-ebiggers@kernel.org Signed-off-by: Theodore Ts'o <tytso@mit.edu> Reviewed-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/ext4/ext4_jbd2.c')
-rw-r--r--fs/ext4/ext4_jbd2.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/fs/ext4/ext4_jbd2.c b/fs/ext4/ext4_jbd2.c
index 19217a3f1ae4..1f53d64e42a5 100644
--- a/fs/ext4/ext4_jbd2.c
+++ b/fs/ext4/ext4_jbd2.c
@@ -7,6 +7,28 @@
#include <trace/events/ext4.h>
+int ext4_inode_journal_mode(struct inode *inode)
+{
+ if (EXT4_JOURNAL(inode) == NULL)
+ return EXT4_INODE_WRITEBACK_DATA_MODE; /* writeback */
+ /* We do not support data journalling with delayed allocation */
+ if (!S_ISREG(inode->i_mode) ||
+ ext4_test_inode_flag(inode, EXT4_INODE_EA_INODE) ||
+ test_opt(inode->i_sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA ||
+ (ext4_test_inode_flag(inode, EXT4_INODE_JOURNAL_DATA) &&
+ !test_opt(inode->i_sb, DELALLOC))) {
+ /* We do not support data journalling for encrypted data */
+ if (S_ISREG(inode->i_mode) && IS_ENCRYPTED(inode))
+ return EXT4_INODE_ORDERED_DATA_MODE; /* ordered */
+ return EXT4_INODE_JOURNAL_DATA_MODE; /* journal data */
+ }
+ if (test_opt(inode->i_sb, DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA)
+ return EXT4_INODE_ORDERED_DATA_MODE; /* ordered */
+ if (test_opt(inode->i_sb, DATA_FLAGS) == EXT4_MOUNT_WRITEBACK_DATA)
+ return EXT4_INODE_WRITEBACK_DATA_MODE; /* writeback */
+ BUG();
+}
+
/* Just increment the non-pointer handle value */
static handle_t *ext4_get_nojournal(void)
{