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Mingming 109f556519 ext4: fix ext4_ext_direct_IO()'s return value after converting uninit extents ... After a direct I/O request covering an uninitalized extent (i.e., created using the fallocate system call) or a hole in a file, ext4 will convert the uninitialized extent so it is marked as initialized by calling ext4_convert_unwritten_extents(). This function returns zero on success. This return value was getting returned by ext4_direct_IO(); however the file system's direct_IO function is supposed to return the number of bytes read or written on a success. By returning zero, it confused the direct I/O code into falling back to buffered I/O unnecessarily. Signed-off-by: Mingming Cao <cmm@us.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>		15 years ago
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Kconfig	ext4: drop ext4dev compat	16 years ago
Makefile	ext4: online defrag -- Add EXT4_IOC_MOVE_EXT ioctl	16 years ago
acl.c	ext[234]: move over to 'check_acl' permission model	16 years ago
acl.h	ext[234]: move over to 'check_acl' permission model	16 years ago
balloc.c	ext4: open-code ext4_mb_update_group_info	16 years ago
bitmap.c	…
block_validity.c	ext4: Add a comprehensive block validity check to ext4_get_blocks()	16 years ago
dir.c	ext4: Define a new set of flags for ext4_get_blocks()	16 years ago
ext4.h	Revert "ext4: Remove journal_checksum mount option and enable it by default"	15 years ago
ext4_extents.h	ext4: Split uninitialized extents for direct I/O	16 years ago
ext4_jbd2.c	ext4: Assure that metadata blocks are written during fsync in no journal mode	16 years ago
ext4_jbd2.h	ext4: Handle nested ext4_journal_start/stop calls without a journal	16 years ago
extents.c	ext4: fix ext4_ext_direct_IO()'s return value after converting uninit extents	15 years ago
file.c	const: mark struct vm_struct_operations	16 years ago
fsync.c	ext4: async direct IO for holes and fallocate support	16 years ago
hash.c	…
ialloc.c	ext4: fix build warning when EXT4FS_DEBUG is on	16 years ago
inode.c	ext4: fix ext4_ext_direct_IO()'s return value after converting uninit extents	15 years ago
ioctl.c	ext4: Return exchanged blocks count to user space in failure	16 years ago
mballoc.c	ext4: Use tracepoints for mb_history trace file	16 years ago
mballoc.h	ext4: Use tracepoints for mb_history trace file	16 years ago
migrate.c	ext4: Split uninitialized extents for direct I/O	16 years ago
move_extent.c	ext4: EXT4_IOC_MOVE_EXT: Check for different original and donor inodes first	16 years ago
namei.c	ext4: Handle nested ext4_journal_start/stop calls without a journal	16 years ago
resize.c	ext4: Clarify the locking details in mballoc	16 years ago
super.c	Revert "ext4: Remove journal_checksum mount option and enable it by default"	15 years ago
symlink.c	…
xattr.c	ext4: limit block allocations for indirect-block files to < 2^32	16 years ago
xattr.h	…
xattr_security.c	…
xattr_trusted.c	…
xattr_user.c	…