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authorHarshad Shirwadkar <harshadshirwadkar@gmail.com>2025-05-08 17:59:00 +0000
committerTheodore Ts'o <tytso@mit.edu>2025-05-08 21:56:17 -0400
commit834224e81cdc265456f73fed748a349e43e2d8ef (patch)
treefd4e7d7ba171eb4f6c2f150803cebbfabf814c0c /fs/ext4/ext4.h
parentb4432656b36e5cc1d50a1f2dc15357543add530e (diff)
ext4: convert i_fc_lock to spinlock
Convert ext4_inode_info->i_fc_lock to spinlock to avoid sleeping in invalid contexts. Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com> Link: https://patch.msgid.link/20250508175908.1004880-2-harshadshirwadkar@gmail.com Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/ext4.h')
-rw-r--r--fs/ext4/ext4.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 5a20e9cd7184..79dfb57a7046 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1069,8 +1069,11 @@ struct ext4_inode_info {
/* Fast commit wait queue for this inode */
wait_queue_head_t i_fc_wait;
- /* Protect concurrent accesses on i_fc_lblk_start, i_fc_lblk_len */
- struct mutex i_fc_lock;
+ /*
+ * Protect concurrent accesses on i_fc_lblk_start, i_fc_lblk_len
+ * and inode's EXT4_FC_STATE_COMMITTING state bit.
+ */
+ spinlock_t i_fc_lock;
/*
* i_disksize keeps track of what the inode size is ON DISK, not