sb_wait_write(9)

💖 sb_wait_write(9) 💖

okay so this is the sb_wait_write(9) page from the Kernel API Manual, and bestie, it's a whole little vibe about waiting for writers to finish. pull up a chair 🫶

✨ NAME ✨

sb_wait_write — wait until all writers to given file system finish

🌸 SYNOPSIS 🌸

void sb_wait_write (struct super_block *sb , int level );

💅 ARGUMENTS 💅

• sb — the super for which we wait
• level — type of writers we wait for (normal vs page fault)

🦋 DESCRIPTION 🦋

This function waits until there are no writers of given type to given file system.

that's the whole thing, no cap 🎀 it's literally the "okay, we're waiting for this specific kind of writer to be done with this file system" moment. periodt.

🔥 SEE ALSO 🔥

Kernel file ./fs/super.c, plus the whole iconic crew:

• super_lock(9)
• alloc_super(9)
• deactivate_locked_super(9)
• deactivate_super(9)
• grab_super(9)
• retire_super(9)
• generic_shutdown_super(9)
• sget_fc(9)
• iterate_supers_type(9)
• reconfigure_super(9)
• emergency_thaw_all(9)
• get_anon_bdev(9)
• sget_dev(9)
• fs_bdev_freeze(9)
• fs_bdev_thaw(9)
• fs_bdev_file_open_by_dev(9)
• fs_bdev_file_open_by_path(9)
• fs_bdev_unregister(9)
• fs_bdev_file_release(9)
• get_tree_bdev_flags(9)
• get_tree_bdev(9)
• vfs_get_tree(9)
• freeze_super(9)
• thaw_super(9)

okay that's the page, bestie 🫶 this one comes from source/version ./fs, dated October 2026, and it's the sb_wait_write(9) page. mwah 💋